./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 eb692b52 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-?-eb692b5 [2022-07-20 00:40:53,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:40:53,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:40:53,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:40:53,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:40:53,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:40:53,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:40:53,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:40:53,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:40:53,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:40:53,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:40:53,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:40:53,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:40:53,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:40:53,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:40:53,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:40:53,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:40:53,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:40:53,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:40:53,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:40:53,366 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:40:53,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:40:53,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:40:53,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:40:53,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:40:53,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:40:53,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:40:53,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:40:53,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:40:53,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:40:53,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:40:53,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:40:53,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:40:53,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:40:53,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:40:53,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:40:53,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:40:53,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:40:53,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:40:53,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:40:53,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:40:53,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:40:53,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:40:53,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:40:53,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:40:53,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:40:53,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:40:53,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:40:53,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:40:53,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:40:53,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:40:53,404 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:40:53,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:40:53,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:40:53,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:40:53,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:40:53,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:40:53,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:40:53,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:40:53,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:40:53,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:40:53,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:40:53,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:40:53,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:40:53,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:40:53,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:40:53,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:40:53,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:40:53,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:40:53,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:40:53,408 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:40:53,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:40:53,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:40:53,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2022-07-20 00:40:53,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:40:53,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:40:53,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:40:53,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:40:53,679 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:40:53,681 INFO L432 ainManager$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 [2022-07-20 00:40:53,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc53f3e3a/32a75a62dbdf40ed9d88122bfa9fa7c1/FLAGaac235ef8 [2022-07-20 00:40:54,716 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:40:54,717 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 [2022-07-20 00:40:54,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc53f3e3a/32a75a62dbdf40ed9d88122bfa9fa7c1/FLAGaac235ef8 [2022-07-20 00:40:55,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc53f3e3a/32a75a62dbdf40ed9d88122bfa9fa7c1 [2022-07-20 00:40:55,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:40:55,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:40:55,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:40:55,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:40:55,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:40:55,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:40:55" (1/1) ... [2022-07-20 00:40:55,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12300c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:40:55, skipping insertion in model container [2022-07-20 00:40:55,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:40:55" (1/1) ... [2022-07-20 00:40:55,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:40:55,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:41:03,947 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] [2022-07-20 00:41:04,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:41:04,597 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:41:05,816 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] [2022-07-20 00:41:05,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:41:06,385 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:41:06,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06 WrapperNode [2022-07-20 00:41:06,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:41:06,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:41:06,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:41:06,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:41:06,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:06,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:08,256 INFO L137 Inliner]: procedures = 819, calls = 13802, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26732 [2022-07-20 00:41:08,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:41:08,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:41:08,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:41:08,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:41:08,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:08,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:08,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:08,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:09,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:10,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:10,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:10,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:41:10,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:41:10,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:41:10,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:41:10,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (1/1) ... [2022-07-20 00:41:10,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:41:10,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:41:10,649 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) [2022-07-20 00:41:10,659 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 [2022-07-20 00:41:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2022-07-20 00:41:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2022-07-20 00:41:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 00:41:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2022-07-20 00:41:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2022-07-20 00:41:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-20 00:41:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-20 00:41:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-20 00:41:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-20 00:41:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2022-07-20 00:41:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2022-07-20 00:41:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 00:41:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 00:41:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-20 00:41:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-20 00:41:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 00:41:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 00:41:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 00:41:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 00:41:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2022-07-20 00:41:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2022-07-20 00:41:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2022-07-20 00:41:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2022-07-20 00:41:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-20 00:41:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-20 00:41:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-20 00:41:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-20 00:41:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-20 00:41:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-20 00:41:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 00:41:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 00:41:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2022-07-20 00:41:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2022-07-20 00:41:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2022-07-20 00:41:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2022-07-20 00:41:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 00:41:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-20 00:41:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2022-07-20 00:41:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2022-07-20 00:41:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:41:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:41:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2022-07-20 00:41:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2022-07-20 00:41:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2022-07-20 00:41:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2022-07-20 00:41:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-20 00:41:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-20 00:41:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:41:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:41:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2022-07-20 00:41:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2022-07-20 00:41:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 00:41:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 00:41:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-07-20 00:41:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2022-07-20 00:41:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2022-07-20 00:41:10,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2022-07-20 00:41:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-20 00:41:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-20 00:41:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-20 00:41:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-20 00:41:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-20 00:41:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-20 00:41:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:41:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-20 00:41:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-20 00:41:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2022-07-20 00:41:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2022-07-20 00:41:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-20 00:41:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-20 00:41:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 00:41:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 00:41:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2022-07-20 00:41:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2022-07-20 00:41:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2022-07-20 00:41:10,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2022-07-20 00:41:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2022-07-20 00:41:10,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2022-07-20 00:41:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:41:10,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:41:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:41:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-20 00:41:10,695 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-20 00:41:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:41:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 00:41:10,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 00:41:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 00:41:10,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 00:41:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:41:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:41:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 00:41:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 00:41:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-20 00:41:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-20 00:41:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2022-07-20 00:41:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2022-07-20 00:41:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-20 00:41:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-20 00:41:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2022-07-20 00:41:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2022-07-20 00:41:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2022-07-20 00:41:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2022-07-20 00:41:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-20 00:41:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-20 00:41:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 00:41:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 00:41:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2022-07-20 00:41:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2022-07-20 00:41:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 00:41:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 00:41:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:41:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:41:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2022-07-20 00:41:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2022-07-20 00:41:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:41:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:41:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2022-07-20 00:41:10,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2022-07-20 00:41:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2022-07-20 00:41:10,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2022-07-20 00:41:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:41:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2022-07-20 00:41:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2022-07-20 00:41:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2022-07-20 00:41:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2022-07-20 00:41:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-20 00:41:10,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-20 00:41:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-20 00:41:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-20 00:41:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 00:41:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 00:41:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2022-07-20 00:41:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2022-07-20 00:41:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-20 00:41:10,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-20 00:41:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-20 00:41:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-20 00:41:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-07-20 00:41:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-07-20 00:41:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:41:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:41:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:41:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:41:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2022-07-20 00:41:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2022-07-20 00:41:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2022-07-20 00:41:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2022-07-20 00:41:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:41:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:41:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2022-07-20 00:41:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2022-07-20 00:41:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-20 00:41:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-20 00:41:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:41:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:41:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2022-07-20 00:41:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2022-07-20 00:41:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:41:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2022-07-20 00:41:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2022-07-20 00:41:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:41:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:41:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2022-07-20 00:41:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2022-07-20 00:41:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2022-07-20 00:41:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2022-07-20 00:41:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:41:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 00:41:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 00:41:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2022-07-20 00:41:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2022-07-20 00:41:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-20 00:41:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-20 00:41:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2022-07-20 00:41:10,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2022-07-20 00:41:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-07-20 00:41:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-07-20 00:41:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2022-07-20 00:41:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2022-07-20 00:41:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-07-20 00:41:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-07-20 00:41:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2022-07-20 00:41:10,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2022-07-20 00:41:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-20 00:41:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:41:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:41:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:41:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:41:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-20 00:41:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-20 00:41:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:41:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:41:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2022-07-20 00:41:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2022-07-20 00:41:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2022-07-20 00:41:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2022-07-20 00:41:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 00:41:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 00:41:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2022-07-20 00:41:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2022-07-20 00:41:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2022-07-20 00:41:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2022-07-20 00:41:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2022-07-20 00:41:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2022-07-20 00:41:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2022-07-20 00:41:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2022-07-20 00:41:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 00:41:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 00:41:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-20 00:41:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-20 00:41:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2022-07-20 00:41:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2022-07-20 00:41:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-20 00:41:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-20 00:41:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2022-07-20 00:41:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2022-07-20 00:41:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:41:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2022-07-20 00:41:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2022-07-20 00:41:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-20 00:41:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-20 00:41:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:41:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:41:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2022-07-20 00:41:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2022-07-20 00:41:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2022-07-20 00:41:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2022-07-20 00:41:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2022-07-20 00:41:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2022-07-20 00:41:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2022-07-20 00:41:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2022-07-20 00:41:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-07-20 00:41:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-07-20 00:41:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2022-07-20 00:41:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2022-07-20 00:41:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-20 00:41:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-20 00:41:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 00:41:10,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 00:41:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 00:41:10,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 00:41:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2022-07-20 00:41:10,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2022-07-20 00:41:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2022-07-20 00:41:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2022-07-20 00:41:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2022-07-20 00:41:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2022-07-20 00:41:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2022-07-20 00:41:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2022-07-20 00:41:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2022-07-20 00:41:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2022-07-20 00:41:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2022-07-20 00:41:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2022-07-20 00:41:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-20 00:41:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-20 00:41:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:41:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:41:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:41:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:41:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-07-20 00:41:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-07-20 00:41:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2022-07-20 00:41:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2022-07-20 00:41:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:41:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:41:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-20 00:41:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-20 00:41:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2022-07-20 00:41:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2022-07-20 00:41:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 00:41:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 00:41:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2022-07-20 00:41:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2022-07-20 00:41:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2022-07-20 00:41:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2022-07-20 00:41:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2022-07-20 00:41:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2022-07-20 00:41:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:41:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:41:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-20 00:41:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-20 00:41:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2022-07-20 00:41:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2022-07-20 00:41:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2022-07-20 00:41:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2022-07-20 00:41:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2022-07-20 00:41:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2022-07-20 00:41:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2022-07-20 00:41:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2022-07-20 00:41:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-20 00:41:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-20 00:41:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 00:41:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 00:41:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2022-07-20 00:41:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2022-07-20 00:41:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:41:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:41:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2022-07-20 00:41:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2022-07-20 00:41:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2022-07-20 00:41:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2022-07-20 00:41:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:41:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2022-07-20 00:41:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2022-07-20 00:41:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-20 00:41:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-20 00:41:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-20 00:41:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-20 00:41:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2022-07-20 00:41:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2022-07-20 00:41:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 00:41:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 00:41:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2022-07-20 00:41:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2022-07-20 00:41:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-20 00:41:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-20 00:41:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2022-07-20 00:41:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2022-07-20 00:41:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 00:41:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 00:41:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:41:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2022-07-20 00:41:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2022-07-20 00:41:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2022-07-20 00:41:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2022-07-20 00:41:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:41:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:41:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2022-07-20 00:41:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2022-07-20 00:41:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:41:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2022-07-20 00:41:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2022-07-20 00:41:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-20 00:41:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-20 00:41:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2022-07-20 00:41:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2022-07-20 00:41:10,733 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2022-07-20 00:41:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2022-07-20 00:41:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2022-07-20 00:41:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2022-07-20 00:41:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2022-07-20 00:41:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2022-07-20 00:41:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2022-07-20 00:41:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2022-07-20 00:41:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:41:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:41:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2022-07-20 00:41:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2022-07-20 00:41:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-07-20 00:41:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-07-20 00:41:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-20 00:41:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-20 00:41:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2022-07-20 00:41:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2022-07-20 00:41:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2022-07-20 00:41:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2022-07-20 00:41:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2022-07-20 00:41:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2022-07-20 00:41:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 00:41:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 00:41:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-20 00:41:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-20 00:41:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2022-07-20 00:41:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2022-07-20 00:41:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2022-07-20 00:41:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2022-07-20 00:41:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2022-07-20 00:41:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2022-07-20 00:41:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:41:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:41:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-20 00:41:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-20 00:41:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2022-07-20 00:41:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2022-07-20 00:41:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2022-07-20 00:41:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2022-07-20 00:41:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:41:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:41:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2022-07-20 00:41:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2022-07-20 00:41:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2022-07-20 00:41:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2022-07-20 00:41:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2022-07-20 00:41:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2022-07-20 00:41:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2022-07-20 00:41:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2022-07-20 00:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2022-07-20 00:41:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2022-07-20 00:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 00:41:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 00:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2022-07-20 00:41:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2022-07-20 00:41:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2022-07-20 00:41:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2022-07-20 00:41:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:41:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:41:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2022-07-20 00:41:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2022-07-20 00:41:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 00:41:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 00:41:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 00:41:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 00:41:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2022-07-20 00:41:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2022-07-20 00:41:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 00:41:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 00:41:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-20 00:41:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-20 00:41:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:41:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:41:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:41:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2022-07-20 00:41:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2022-07-20 00:41:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2022-07-20 00:41:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2022-07-20 00:41:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2022-07-20 00:41:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2022-07-20 00:41:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2022-07-20 00:41:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2022-07-20 00:41:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2022-07-20 00:41:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2022-07-20 00:41:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2022-07-20 00:41:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2022-07-20 00:41:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2022-07-20 00:41:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2022-07-20 00:41:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:41:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:41:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2022-07-20 00:41:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2022-07-20 00:41:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 00:41:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 00:41:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2022-07-20 00:41:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2022-07-20 00:41:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-07-20 00:41:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-07-20 00:41:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-07-20 00:41:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-07-20 00:41:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 00:41:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 00:41:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2022-07-20 00:41:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2022-07-20 00:41:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2022-07-20 00:41:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2022-07-20 00:41:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2022-07-20 00:41:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2022-07-20 00:41:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2022-07-20 00:41:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2022-07-20 00:41:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:41:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2022-07-20 00:41:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2022-07-20 00:41:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-20 00:41:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2022-07-20 00:41:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-20 00:41:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:41:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2022-07-20 00:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2022-07-20 00:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:41:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2022-07-20 00:41:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2022-07-20 00:41:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2022-07-20 00:41:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2022-07-20 00:41:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-07-20 00:41:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2022-07-20 00:41:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2022-07-20 00:41:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2022-07-20 00:41:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2022-07-20 00:41:12,600 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:41:12,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:41:12,868 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:42:38,356 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:42:38,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:42:38,395 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-20 00:42:38,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:42:38 BoogieIcfgContainer [2022-07-20 00:42:38,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:42:38,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:42:38,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:42:38,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:42:38,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:40:55" (1/3) ... [2022-07-20 00:42:38,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732f3e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:42:38, skipping insertion in model container [2022-07-20 00:42:38,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:06" (2/3) ... [2022-07-20 00:42:38,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732f3e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:42:38, skipping insertion in model container [2022-07-20 00:42:38,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:42:38" (3/3) ... [2022-07-20 00:42:38,412 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-07-20 00:42:38,425 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:42:38,425 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:42:38,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:42:38,598 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@2d567dbf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49a77960 [2022-07-20 00:42:38,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:42:38,622 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) [2022-07-20 00:42:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-20 00:42:38,640 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:42:38,641 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] [2022-07-20 00:42:38,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:42:38,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:42:38,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1978374212, now seen corresponding path program 1 times [2022-07-20 00:42:38,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:42:38,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651603333] [2022-07-20 00:42:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:42:38,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:42:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:42:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:42:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:42:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:42:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:42:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 00:42:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:42:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 00:42:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 00:42:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 00:42:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:42:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-20 00:42:40,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:42:40,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651603333] [2022-07-20 00:42:40,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651603333] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:42:40,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:42:40,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:42:40,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008506066] [2022-07-20 00:42:40,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:42:40,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:42:40,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:42:40,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:42:40,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:42:40,183 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) [2022-07-20 00:42:49,407 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 [] [2022-07-20 00:43:09,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:12,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:21,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:25,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:43:25,177 INFO L93 Difference]: Finished difference Result 16347 states and 26509 transitions. [2022-07-20 00:43:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:43:25,179 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 [2022-07-20 00:43:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:43:25,295 INFO L225 Difference]: With dead ends: 16347 [2022-07-20 00:43:25,295 INFO L226 Difference]: Without dead ends: 8745 [2022-07-20 00:43:25,408 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 [2022-07-20 00:43:25,415 INFO L413 NwaCegarLoop]: 10851 mSDtfsCounter, 7424 mSDsluCounter, 5663 mSDsCounter, 0 mSdLazyCounter, 4576 mSolverCounterSat, 7071 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7523 SdHoareTripleChecker+Valid, 16514 SdHoareTripleChecker+Invalid, 11652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7071 IncrementalHoareTripleChecker+Valid, 4576 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:43:25,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7523 Valid, 16514 Invalid, 11652 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7071 Valid, 4576 Invalid, 5 Unknown, 0 Unchecked, 43.8s Time] [2022-07-20 00:43:25,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2022-07-20 00:43:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 7572. [2022-07-20 00:43:25,952 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) [2022-07-20 00:43:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 11505 transitions. [2022-07-20 00:43:26,026 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 11505 transitions. Word has length 173 [2022-07-20 00:43:26,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:43:26,027 INFO L495 AbstractCegarLoop]: Abstraction has 7572 states and 11505 transitions. [2022-07-20 00:43:26,028 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) [2022-07-20 00:43:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 11505 transitions. [2022-07-20 00:43:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-20 00:43:26,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:43:26,039 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] [2022-07-20 00:43:26,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:43:26,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:43:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:43:26,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1960638222, now seen corresponding path program 1 times [2022-07-20 00:43:26,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:43:26,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113802889] [2022-07-20 00:43:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:43:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:43:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:43:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:43:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:43:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:43:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:43:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 00:43:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:43:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 00:43:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 00:43:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 00:43:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:43:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-20 00:43:27,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:43:27,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113802889] [2022-07-20 00:43:27,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113802889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:43:27,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:43:27,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:43:27,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035976663] [2022-07-20 00:43:27,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:43:27,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:43:27,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:43:27,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:43:27,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:43:27,156 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) [2022-07-20 00:43:36,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:50,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:11,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:39,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []