./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 6c24879c 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-?-6c24879 [2022-07-12 13:38:26,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:38:26,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:38:26,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:38:26,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:38:26,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:38:26,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:38:26,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:38:26,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:38:26,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:38:26,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:38:26,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:38:26,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:38:26,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:38:26,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:38:26,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:38:26,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:38:26,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:38:26,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:38:26,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:38:26,476 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:38:26,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:38:26,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:38:26,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:38:26,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:38:26,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:38:26,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:38:26,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:38:26,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:38:26,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:38:26,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:38:26,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:38:26,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:38:26,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:38:26,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:38:26,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:38:26,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:38:26,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:38:26,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:38:26,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:38:26,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:38:26,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:38:26,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:38:26,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:38:26,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:38:26,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:38:26,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:38:26,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:38:26,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:38:26,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:38:26,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:38:26,542 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:38:26,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:38:26,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:38:26,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:38:26,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:38:26,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:38:26,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:38:26,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:38:26,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:38:26,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:38:26,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:38:26,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:38:26,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:38:26,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:38:26,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:38:26,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:38:26,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:38:26,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:38:26,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:38:26,547 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:38:26,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:38:26,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:38:26,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2022-07-12 13:38:26,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:38:26,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:38:26,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:38:26,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:38:26,804 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:38:26,805 INFO L432 ainManager$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 [2022-07-12 13:38:26,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f58dad30/97c929426111466289138179a8ea4cdb/FLAGb612646cd [2022-07-12 13:38:27,847 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:38:27,848 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 [2022-07-12 13:38:27,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f58dad30/97c929426111466289138179a8ea4cdb/FLAGb612646cd [2022-07-12 13:38:28,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f58dad30/97c929426111466289138179a8ea4cdb [2022-07-12 13:38:28,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:38:28,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:38:28,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:38:28,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:38:28,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:38:28,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:38:28" (1/1) ... [2022-07-12 13:38:28,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e63d364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:28, skipping insertion in model container [2022-07-12 13:38:28,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:38:28" (1/1) ... [2022-07-12 13:38:28,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:38:28,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:38:37,851 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] [2022-07-12 13:38:38,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:38:38,552 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:38:39,718 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] [2022-07-12 13:38:39,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:38:40,377 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:38:40,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40 WrapperNode [2022-07-12 13:38:40,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:38:40,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:38:40,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:38:40,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:38:40,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:40,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:42,062 INFO L137 Inliner]: procedures = 819, calls = 13802, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26732 [2022-07-12 13:38:42,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:38:42,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:38:42,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:38:42,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:38:42,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:42,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:42,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:42,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:43,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:43,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:43,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:44,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:38:44,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:38:44,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:38:44,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:38:44,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (1/1) ... [2022-07-12 13:38:44,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:38:44,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:38:44,181 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) [2022-07-12 13:38:44,202 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 [2022-07-12 13:38:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2022-07-12 13:38:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2022-07-12 13:38:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 13:38:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2022-07-12 13:38:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2022-07-12 13:38:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-12 13:38:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-12 13:38:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 13:38:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 13:38:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2022-07-12 13:38:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2022-07-12 13:38:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 13:38:44,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 13:38:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-12 13:38:44,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-12 13:38:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 13:38:44,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 13:38:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 13:38:44,221 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 13:38:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2022-07-12 13:38:44,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2022-07-12 13:38:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2022-07-12 13:38:44,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2022-07-12 13:38:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-12 13:38:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-12 13:38:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-12 13:38:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-12 13:38:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 13:38:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 13:38:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 13:38:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 13:38:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2022-07-12 13:38:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2022-07-12 13:38:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2022-07-12 13:38:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2022-07-12 13:38:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 13:38:44,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-12 13:38:44,224 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2022-07-12 13:38:44,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2022-07-12 13:38:44,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:38:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:38:44,225 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2022-07-12 13:38:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2022-07-12 13:38:44,225 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2022-07-12 13:38:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2022-07-12 13:38:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-12 13:38:44,226 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-12 13:38:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:38:44,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:38:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2022-07-12 13:38:44,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2022-07-12 13:38:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 13:38:44,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 13:38:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-07-12 13:38:44,227 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2022-07-12 13:38:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2022-07-12 13:38:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2022-07-12 13:38:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-12 13:38:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-12 13:38:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-12 13:38:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-12 13:38:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-12 13:38:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-12 13:38:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:38:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-12 13:38:44,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-12 13:38:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2022-07-12 13:38:44,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2022-07-12 13:38:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-12 13:38:44,231 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-12 13:38:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 13:38:44,231 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 13:38:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2022-07-12 13:38:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2022-07-12 13:38:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2022-07-12 13:38:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2022-07-12 13:38:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2022-07-12 13:38:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2022-07-12 13:38:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:38:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:38:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:38:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-12 13:38:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-12 13:38:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:38:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 13:38:44,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 13:38:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 13:38:44,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 13:38:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:38:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 13:38:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 13:38:44,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 13:38:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-12 13:38:44,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-12 13:38:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2022-07-12 13:38:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2022-07-12 13:38:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-12 13:38:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-12 13:38:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2022-07-12 13:38:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2022-07-12 13:38:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2022-07-12 13:38:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2022-07-12 13:38:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-12 13:38:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-12 13:38:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 13:38:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 13:38:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2022-07-12 13:38:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2022-07-12 13:38:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 13:38:44,239 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 13:38:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:38:44,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:38:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2022-07-12 13:38:44,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2022-07-12 13:38:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:38:44,240 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:38:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2022-07-12 13:38:44,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2022-07-12 13:38:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2022-07-12 13:38:44,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2022-07-12 13:38:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:38:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2022-07-12 13:38:44,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2022-07-12 13:38:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2022-07-12 13:38:44,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2022-07-12 13:38:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-12 13:38:44,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-12 13:38:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-12 13:38:44,251 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-12 13:38:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 13:38:44,251 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 13:38:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2022-07-12 13:38:44,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2022-07-12 13:38:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-12 13:38:44,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-12 13:38:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-12 13:38:44,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-12 13:38:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-07-12 13:38:44,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-07-12 13:38:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:38:44,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:38:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:38:44,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:38:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2022-07-12 13:38:44,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2022-07-12 13:38:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2022-07-12 13:38:44,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2022-07-12 13:38:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:38:44,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:38:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2022-07-12 13:38:44,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2022-07-12 13:38:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-12 13:38:44,255 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-12 13:38:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 13:38:44,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 13:38:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2022-07-12 13:38:44,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2022-07-12 13:38:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:38:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2022-07-12 13:38:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2022-07-12 13:38:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:38:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:38:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2022-07-12 13:38:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2022-07-12 13:38:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2022-07-12 13:38:44,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2022-07-12 13:38:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:38:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 13:38:44,257 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 13:38:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2022-07-12 13:38:44,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2022-07-12 13:38:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-12 13:38:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-12 13:38:44,258 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2022-07-12 13:38:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2022-07-12 13:38:44,258 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-07-12 13:38:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-07-12 13:38:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2022-07-12 13:38:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2022-07-12 13:38:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-07-12 13:38:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-07-12 13:38:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2022-07-12 13:38:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2022-07-12 13:38:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-12 13:38:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:38:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:38:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 13:38:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 13:38:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 13:38:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 13:38:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:38:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:38:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2022-07-12 13:38:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2022-07-12 13:38:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2022-07-12 13:38:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2022-07-12 13:38:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 13:38:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 13:38:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2022-07-12 13:38:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2022-07-12 13:38:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2022-07-12 13:38:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2022-07-12 13:38:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2022-07-12 13:38:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2022-07-12 13:38:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2022-07-12 13:38:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2022-07-12 13:38:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 13:38:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 13:38:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-12 13:38:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-12 13:38:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2022-07-12 13:38:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2022-07-12 13:38:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-12 13:38:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-12 13:38:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2022-07-12 13:38:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2022-07-12 13:38:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:38:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2022-07-12 13:38:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2022-07-12 13:38:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-12 13:38:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-12 13:38:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:38:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:38:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2022-07-12 13:38:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2022-07-12 13:38:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2022-07-12 13:38:44,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2022-07-12 13:38:44,265 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2022-07-12 13:38:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2022-07-12 13:38:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2022-07-12 13:38:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2022-07-12 13:38:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-07-12 13:38:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-07-12 13:38:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2022-07-12 13:38:44,266 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2022-07-12 13:38:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-12 13:38:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-12 13:38:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 13:38:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 13:38:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 13:38:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 13:38:44,267 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2022-07-12 13:38:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2022-07-12 13:38:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2022-07-12 13:38:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2022-07-12 13:38:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2022-07-12 13:38:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2022-07-12 13:38:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2022-07-12 13:38:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2022-07-12 13:38:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2022-07-12 13:38:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2022-07-12 13:38:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2022-07-12 13:38:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2022-07-12 13:38:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-12 13:38:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-12 13:38:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 13:38:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 13:38:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:38:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:38:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-07-12 13:38:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-07-12 13:38:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2022-07-12 13:38:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2022-07-12 13:38:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:38:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:38:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-12 13:38:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-12 13:38:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2022-07-12 13:38:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2022-07-12 13:38:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-12 13:38:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-12 13:38:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2022-07-12 13:38:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2022-07-12 13:38:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2022-07-12 13:38:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2022-07-12 13:38:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2022-07-12 13:38:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2022-07-12 13:38:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:38:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:38:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-12 13:38:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-12 13:38:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2022-07-12 13:38:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2022-07-12 13:38:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2022-07-12 13:38:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2022-07-12 13:38:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2022-07-12 13:38:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2022-07-12 13:38:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2022-07-12 13:38:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2022-07-12 13:38:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-12 13:38:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-12 13:38:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-12 13:38:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-12 13:38:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2022-07-12 13:38:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2022-07-12 13:38:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:38:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:38:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2022-07-12 13:38:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2022-07-12 13:38:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2022-07-12 13:38:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2022-07-12 13:38:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:38:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2022-07-12 13:38:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2022-07-12 13:38:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-12 13:38:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-12 13:38:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-12 13:38:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-12 13:38:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2022-07-12 13:38:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2022-07-12 13:38:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 13:38:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 13:38:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2022-07-12 13:38:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2022-07-12 13:38:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-12 13:38:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-12 13:38:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2022-07-12 13:38:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2022-07-12 13:38:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 13:38:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 13:38:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:38:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2022-07-12 13:38:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2022-07-12 13:38:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2022-07-12 13:38:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2022-07-12 13:38:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:38:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:38:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2022-07-12 13:38:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2022-07-12 13:38:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:38:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2022-07-12 13:38:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2022-07-12 13:38:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-12 13:38:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-12 13:38:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2022-07-12 13:38:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2022-07-12 13:38:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2022-07-12 13:38:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2022-07-12 13:38:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2022-07-12 13:38:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2022-07-12 13:38:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2022-07-12 13:38:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2022-07-12 13:38:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2022-07-12 13:38:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2022-07-12 13:38:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:38:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:38:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2022-07-12 13:38:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2022-07-12 13:38:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-07-12 13:38:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-07-12 13:38:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-12 13:38:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-12 13:38:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2022-07-12 13:38:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2022-07-12 13:38:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2022-07-12 13:38:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2022-07-12 13:38:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2022-07-12 13:38:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2022-07-12 13:38:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 13:38:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 13:38:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-12 13:38:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-12 13:38:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2022-07-12 13:38:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2022-07-12 13:38:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2022-07-12 13:38:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2022-07-12 13:38:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2022-07-12 13:38:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2022-07-12 13:38:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:38:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:38:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-12 13:38:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-12 13:38:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2022-07-12 13:38:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2022-07-12 13:38:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2022-07-12 13:38:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2022-07-12 13:38:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:38:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:38:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2022-07-12 13:38:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2022-07-12 13:38:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2022-07-12 13:38:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2022-07-12 13:38:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2022-07-12 13:38:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2022-07-12 13:38:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2022-07-12 13:38:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2022-07-12 13:38:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2022-07-12 13:38:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2022-07-12 13:38:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 13:38:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 13:38:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2022-07-12 13:38:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2022-07-12 13:38:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2022-07-12 13:38:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2022-07-12 13:38:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 13:38:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 13:38:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2022-07-12 13:38:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2022-07-12 13:38:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 13:38:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 13:38:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 13:38:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 13:38:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2022-07-12 13:38:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2022-07-12 13:38:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 13:38:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 13:38:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-12 13:38:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-12 13:38:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:38:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:38:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:38:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2022-07-12 13:38:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2022-07-12 13:38:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2022-07-12 13:38:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2022-07-12 13:38:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2022-07-12 13:38:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2022-07-12 13:38:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2022-07-12 13:38:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2022-07-12 13:38:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2022-07-12 13:38:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2022-07-12 13:38:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2022-07-12 13:38:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2022-07-12 13:38:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2022-07-12 13:38:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2022-07-12 13:38:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:38:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:38:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2022-07-12 13:38:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2022-07-12 13:38:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 13:38:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 13:38:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2022-07-12 13:38:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2022-07-12 13:38:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-07-12 13:38:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-07-12 13:38:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-07-12 13:38:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-07-12 13:38:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 13:38:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 13:38:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2022-07-12 13:38:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2022-07-12 13:38:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2022-07-12 13:38:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2022-07-12 13:38:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2022-07-12 13:38:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2022-07-12 13:38:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2022-07-12 13:38:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2022-07-12 13:38:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:38:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2022-07-12 13:38:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2022-07-12 13:38:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 13:38:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 13:38:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2022-07-12 13:38:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2022-07-12 13:38:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 13:38:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 13:38:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2022-07-12 13:38:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2022-07-12 13:38:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-12 13:38:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-12 13:38:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2022-07-12 13:38:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2022-07-12 13:38:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 13:38:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 13:38:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2022-07-12 13:38:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2022-07-12 13:38:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-12 13:38:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-12 13:38:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2022-07-12 13:38:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2022-07-12 13:38:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 13:38:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 13:38:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:38:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:38:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2022-07-12 13:38:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2022-07-12 13:38:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2022-07-12 13:38:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2022-07-12 13:38:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-12 13:38:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-12 13:38:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2022-07-12 13:38:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2022-07-12 13:38:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2022-07-12 13:38:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2022-07-12 13:38:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:38:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:38:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 13:38:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 13:38:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 13:38:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 13:38:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2022-07-12 13:38:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2022-07-12 13:38:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2022-07-12 13:38:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2022-07-12 13:38:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2022-07-12 13:38:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2022-07-12 13:38:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2022-07-12 13:38:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2022-07-12 13:38:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2022-07-12 13:38:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2022-07-12 13:38:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2022-07-12 13:38:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2022-07-12 13:38:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2022-07-12 13:38:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2022-07-12 13:38:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2022-07-12 13:38:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2022-07-12 13:38:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 13:38:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 13:38:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2022-07-12 13:38:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2022-07-12 13:38:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2022-07-12 13:38:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2022-07-12 13:38:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2022-07-12 13:38:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2022-07-12 13:38:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2022-07-12 13:38:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2022-07-12 13:38:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 13:38:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 13:38:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2022-07-12 13:38:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2022-07-12 13:38:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:38:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:38:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2022-07-12 13:38:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2022-07-12 13:38:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2022-07-12 13:38:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2022-07-12 13:38:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2022-07-12 13:38:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2022-07-12 13:38:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:38:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2022-07-12 13:38:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2022-07-12 13:38:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 13:38:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-07-12 13:38:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-07-12 13:38:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2022-07-12 13:38:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2022-07-12 13:38:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2022-07-12 13:38:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2022-07-12 13:38:46,380 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:38:46,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:38:46,589 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:40:10,838 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:40:10,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:40:10,874 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-12 13:40:10,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:40:10 BoogieIcfgContainer [2022-07-12 13:40:10,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:40:10,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:40:10,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:40:10,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:40:10,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:38:28" (1/3) ... [2022-07-12 13:40:10,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3ada69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:40:10, skipping insertion in model container [2022-07-12 13:40:10,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:40" (2/3) ... [2022-07-12 13:40:10,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3ada69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:40:10, skipping insertion in model container [2022-07-12 13:40:10,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:40:10" (3/3) ... [2022-07-12 13:40:10,893 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-07-12 13:40:10,905 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:40:10,905 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:40:11,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:40:11,078 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@5d191c6e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@12604572 [2022-07-12 13:40:11,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:40:11,102 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) [2022-07-12 13:40:11,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-12 13:40:11,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:40:11,122 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] [2022-07-12 13:40:11,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:40:11,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:40:11,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1978374212, now seen corresponding path program 1 times [2022-07-12 13:40:11,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:40:11,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705394631] [2022-07-12 13:40:11,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:40:11,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:40:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:40:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:40:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:40:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:40:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:40:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 13:40:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:40:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 13:40:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 13:40:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 13:40:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 13:40:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-12 13:40:12,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:40:12,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705394631] [2022-07-12 13:40:12,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705394631] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:40:12,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:40:12,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:40:12,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244036203] [2022-07-12 13:40:12,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:40:12,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:40:12,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:40:12,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:40:12,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:40:12,641 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) [2022-07-12 13:40:21,440 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 [] [2022-07-12 13:40:40,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:43,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:52,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:53,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:40:53,942 INFO L93 Difference]: Finished difference Result 16347 states and 26509 transitions. [2022-07-12 13:40:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 13:40:53,944 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 [2022-07-12 13:40:53,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:40:54,035 INFO L225 Difference]: With dead ends: 16347 [2022-07-12 13:40:54,035 INFO L226 Difference]: Without dead ends: 8745 [2022-07-12 13:40:54,120 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 [2022-07-12 13:40:54,123 INFO L413 NwaCegarLoop]: 10866 mSDtfsCounter, 7416 mSDsluCounter, 5660 mSDsCounter, 0 mSdLazyCounter, 4590 mSolverCounterSat, 7065 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7516 SdHoareTripleChecker+Valid, 16526 SdHoareTripleChecker+Invalid, 11659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7065 IncrementalHoareTripleChecker+Valid, 4590 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:40:54,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7516 Valid, 16526 Invalid, 11659 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7065 Valid, 4590 Invalid, 4 Unknown, 0 Unchecked, 40.1s Time] [2022-07-12 13:40:54,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2022-07-12 13:40:54,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 7572. [2022-07-12 13:40:54,560 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) [2022-07-12 13:40:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 11505 transitions. [2022-07-12 13:40:54,631 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 11505 transitions. Word has length 173 [2022-07-12 13:40:54,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:40:54,632 INFO L495 AbstractCegarLoop]: Abstraction has 7572 states and 11505 transitions. [2022-07-12 13:40:54,633 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) [2022-07-12 13:40:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 11505 transitions. [2022-07-12 13:40:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-12 13:40:54,642 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:40:54,643 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] [2022-07-12 13:40:54,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:40:54,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:40:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:40:54,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1960638222, now seen corresponding path program 1 times [2022-07-12 13:40:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:40:54,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103235906] [2022-07-12 13:40:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:40:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:40:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:40:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:40:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:40:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:40:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:40:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 13:40:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:40:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 13:40:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 13:40:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 13:40:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 13:40:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-12 13:40:55,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:40:55,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103235906] [2022-07-12 13:40:55,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103235906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:40:55,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:40:55,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:40:55,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720576639] [2022-07-12 13:40:55,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:40:55,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:40:55,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:40:55,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:40:55,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:40:55,836 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) [2022-07-12 13:41:05,022 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 [] [2022-07-12 13:41:15,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:31,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:59,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:42:02,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:42:02,535 INFO L93 Difference]: Finished difference Result 23493 states and 37062 transitions. [2022-07-12 13:42:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:42:02,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 173 [2022-07-12 13:42:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:42:02,660 INFO L225 Difference]: With dead ends: 23493 [2022-07-12 13:42:02,661 INFO L226 Difference]: Without dead ends: 15947 [2022-07-12 13:42:02,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:42:02,701 INFO L413 NwaCegarLoop]: 12031 mSDtfsCounter, 23284 mSDsluCounter, 14911 mSDsCounter, 0 mSdLazyCounter, 9332 mSolverCounterSat, 14087 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24308 SdHoareTripleChecker+Valid, 26942 SdHoareTripleChecker+Invalid, 23423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14087 IncrementalHoareTripleChecker+Valid, 9332 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:42:02,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24308 Valid, 26942 Invalid, 23423 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14087 Valid, 9332 Invalid, 4 Unknown, 0 Unchecked, 65.0s Time] [2022-07-12 13:42:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15947 states. [2022-07-12 13:42:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15947 to 13636. [2022-07-12 13:42:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13636 states, 9944 states have (on average 1.4351367658889782) internal successors, (14271), 10362 states have internal predecessors, (14271), 3194 states have call successors, (3194), 490 states have call predecessors, (3194), 497 states have return successors, (3221), 3020 states have call predecessors, (3221), 3182 states have call successors, (3221) [2022-07-12 13:42:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13636 states to 13636 states and 20686 transitions. [2022-07-12 13:42:03,496 INFO L78 Accepts]: Start accepts. Automaton has 13636 states and 20686 transitions. Word has length 173 [2022-07-12 13:42:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:42:03,498 INFO L495 AbstractCegarLoop]: Abstraction has 13636 states and 20686 transitions. [2022-07-12 13:42:03,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-12 13:42:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 13636 states and 20686 transitions. [2022-07-12 13:42:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-12 13:42:03,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:42:03,505 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:42:03,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:42:03,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:42:03,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:42:03,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1884427164, now seen corresponding path program 1 times [2022-07-12 13:42:03,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:42:03,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780044029] [2022-07-12 13:42:03,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:42:03,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:42:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:42:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:42:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:42:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:42:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:42:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:42:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:42:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:42:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:42:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:42:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 13:42:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:42:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 13:42:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 13:42:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 13:42:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 13:42:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:42:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:42:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:42:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-12 13:42:04,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:42:04,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780044029] [2022-07-12 13:42:04,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780044029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:42:04,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:42:04,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:42:04,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199737664] [2022-07-12 13:42:04,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:42:04,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:42:04,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:42:04,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:42:04,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:42:04,643 INFO L87 Difference]: Start difference. First operand 13636 states and 20686 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-12 13:42:19,741 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 []