./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:07:03,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:07:03,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:07:03,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:07:03,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:07:03,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:07:03,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:07:03,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:07:03,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:07:03,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:07:03,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:07:03,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:07:03,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:07:03,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:07:03,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:07:03,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:07:03,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:07:03,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:07:03,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:07:03,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:07:03,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:07:03,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:07:03,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:07:03,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:07:03,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:07:03,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:07:03,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:07:03,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:07:03,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:07:03,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:07:03,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:07:03,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:07:03,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:07:03,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:07:03,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:07:03,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:07:03,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:07:03,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:07:03,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:07:03,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:07:03,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:07:03,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:07:03,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:07:03,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:07:03,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:07:03,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:07:03,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:07:03,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:07:03,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:07:03,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:07:03,532 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:07:03,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:07:03,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:07:03,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:07:03,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:07:03,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:07:03,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:07:03,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:07:03,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:07:03,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:07:03,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:07:03,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:07:03,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:07:03,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:03,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:07:03,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:07:03,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:07:03,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:07:03,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:07:03,537 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:07:03,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:07:03,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:07:03,538 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2022-11-02 21:07:03,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:07:03,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:07:03,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:07:03,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:07:03,927 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:07:03,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/../../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 [2022-11-02 21:07:03,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/data/85423ed74/39f0628065fc4a3382aa306356c1ce21/FLAGb684872e1 [2022-11-02 21:07:05,246 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:07:05,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/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 [2022-11-02 21:07:05,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/data/85423ed74/39f0628065fc4a3382aa306356c1ce21/FLAGb684872e1 [2022-11-02 21:07:05,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/data/85423ed74/39f0628065fc4a3382aa306356c1ce21 [2022-11-02 21:07:05,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:07:05,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:07:05,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:05,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:07:05,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:07:05,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:05" (1/1) ... [2022-11-02 21:07:05,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efebeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:05, skipping insertion in model container [2022-11-02 21:07:05,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:05" (1/1) ... [2022-11-02 21:07:05,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:07:05,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:07:14,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/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] [2022-11-02 21:07:15,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:15,265 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:07:16,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/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] [2022-11-02 21:07:16,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:17,192 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:07:17,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17 WrapperNode [2022-11-02 21:07:17,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:17,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:17,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:07:17,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:07:17,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:18,880 INFO L138 Inliner]: procedures = 819, calls = 13796, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26568 [2022-11-02 21:07:18,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:18,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:07:18,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:07:18,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:07:18,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:18,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:19,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:19,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:20,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:20,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:21,312 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:21,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:21,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:07:21,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:07:21,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:07:21,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:07:21,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:21,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:21,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:21,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:21,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc4759bf-db66-4f95-a5d5-d4bcaee71de2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:07:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2022-11-02 21:07:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2022-11-02 21:07:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-02 21:07:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2022-11-02 21:07:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2022-11-02 21:07:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-02 21:07:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-02 21:07:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-02 21:07:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-02 21:07:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2022-11-02 21:07:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2022-11-02 21:07:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 21:07:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 21:07:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-11-02 21:07:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-11-02 21:07:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 21:07:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 21:07:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 21:07:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 21:07:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2022-11-02 21:07:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2022-11-02 21:07:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2022-11-02 21:07:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2022-11-02 21:07:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-02 21:07:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-02 21:07:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2022-11-02 21:07:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2022-11-02 21:07:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-02 21:07:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-02 21:07:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 21:07:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 21:07:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2022-11-02 21:07:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2022-11-02 21:07:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2022-11-02 21:07:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2022-11-02 21:07:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-02 21:07:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-02 21:07:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2022-11-02 21:07:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2022-11-02 21:07:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:07:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:07:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2022-11-02 21:07:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2022-11-02 21:07:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2022-11-02 21:07:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2022-11-02 21:07:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-02 21:07:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-02 21:07:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 21:07:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 21:07:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2022-11-02 21:07:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2022-11-02 21:07:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-02 21:07:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-02 21:07:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-11-02 21:07:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2022-11-02 21:07:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2022-11-02 21:07:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2022-11-02 21:07:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-02 21:07:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-02 21:07:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-02 21:07:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-02 21:07:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-02 21:07:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-02 21:07:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:07:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-02 21:07:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-02 21:07:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2022-11-02 21:07:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2022-11-02 21:07:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-02 21:07:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-02 21:07:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 21:07:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 21:07:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2022-11-02 21:07:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2022-11-02 21:07:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2022-11-02 21:07:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2022-11-02 21:07:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2022-11-02 21:07:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2022-11-02 21:07:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 21:07:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 21:07:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:07:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-02 21:07:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-02 21:07:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:07:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 21:07:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 21:07:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:07:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:07:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:07:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:07:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 21:07:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 21:07:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-02 21:07:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-02 21:07:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2022-11-02 21:07:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2022-11-02 21:07:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-02 21:07:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-02 21:07:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2022-11-02 21:07:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2022-11-02 21:07:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2022-11-02 21:07:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2022-11-02 21:07:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-02 21:07:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-02 21:07:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 21:07:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 21:07:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2022-11-02 21:07:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2022-11-02 21:07:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-02 21:07:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-02 21:07:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:07:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:07:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2022-11-02 21:07:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2022-11-02 21:07:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 21:07:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 21:07:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2022-11-02 21:07:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2022-11-02 21:07:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2022-11-02 21:07:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2022-11-02 21:07:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:07:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2022-11-02 21:07:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2022-11-02 21:07:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2022-11-02 21:07:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2022-11-02 21:07:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-02 21:07:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-02 21:07:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-02 21:07:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-02 21:07:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 21:07:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 21:07:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2022-11-02 21:07:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2022-11-02 21:07:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-11-02 21:07:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-11-02 21:07:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-11-02 21:07:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-11-02 21:07:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-02 21:07:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-02 21:07:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 21:07:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 21:07:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:07:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:07:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2022-11-02 21:07:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2022-11-02 21:07:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2022-11-02 21:07:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2022-11-02 21:07:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:07:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:07:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2022-11-02 21:07:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2022-11-02 21:07:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-02 21:07:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-02 21:07:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 21:07:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 21:07:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2022-11-02 21:07:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2022-11-02 21:07:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:07:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2022-11-02 21:07:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2022-11-02 21:07:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:07:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:07:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2022-11-02 21:07:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2022-11-02 21:07:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2022-11-02 21:07:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2022-11-02 21:07:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:07:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 21:07:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 21:07:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2022-11-02 21:07:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2022-11-02 21:07:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-02 21:07:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-02 21:07:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2022-11-02 21:07:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2022-11-02 21:07:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-02 21:07:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-02 21:07:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2022-11-02 21:07:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2022-11-02 21:07:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-02 21:07:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-02 21:07:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2022-11-02 21:07:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2022-11-02 21:07:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-02 21:07:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 21:07:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 21:07:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-02 21:07:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-02 21:07:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-02 21:07:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-02 21:07:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 21:07:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 21:07:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2022-11-02 21:07:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2022-11-02 21:07:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2022-11-02 21:07:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2022-11-02 21:07:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:07:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:07:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2022-11-02 21:07:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2022-11-02 21:07:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2022-11-02 21:07:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2022-11-02 21:07:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2022-11-02 21:07:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2022-11-02 21:07:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2022-11-02 21:07:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2022-11-02 21:07:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-02 21:07:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-02 21:07:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-11-02 21:07:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-11-02 21:07:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2022-11-02 21:07:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2022-11-02 21:07:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-11-02 21:07:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-11-02 21:07:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2022-11-02 21:07:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2022-11-02 21:07:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:07:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2022-11-02 21:07:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2022-11-02 21:07:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-02 21:07:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-02 21:07:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:07:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:07:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2022-11-02 21:07:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2022-11-02 21:07:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2022-11-02 21:07:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2022-11-02 21:07:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2022-11-02 21:07:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2022-11-02 21:07:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2022-11-02 21:07:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2022-11-02 21:07:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-02 21:07:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-02 21:07:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2022-11-02 21:07:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2022-11-02 21:07:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-02 21:07:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-02 21:07:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 21:07:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 21:07:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 21:07:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 21:07:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2022-11-02 21:07:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2022-11-02 21:07:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2022-11-02 21:07:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2022-11-02 21:07:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2022-11-02 21:07:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2022-11-02 21:07:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2022-11-02 21:07:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2022-11-02 21:07:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2022-11-02 21:07:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2022-11-02 21:07:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2022-11-02 21:07:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2022-11-02 21:07:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-02 21:07:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-02 21:07:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 21:07:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 21:07:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:07:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:07:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-11-02 21:07:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-11-02 21:07:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2022-11-02 21:07:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2022-11-02 21:07:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:07:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:07:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-02 21:07:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-02 21:07:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2022-11-02 21:07:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2022-11-02 21:07:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-02 21:07:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-02 21:07:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2022-11-02 21:07:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2022-11-02 21:07:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2022-11-02 21:07:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2022-11-02 21:07:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2022-11-02 21:07:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2022-11-02 21:07:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:07:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:07:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-11-02 21:07:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-11-02 21:07:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2022-11-02 21:07:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2022-11-02 21:07:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2022-11-02 21:07:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2022-11-02 21:07:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2022-11-02 21:07:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2022-11-02 21:07:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2022-11-02 21:07:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2022-11-02 21:07:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-11-02 21:07:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-11-02 21:07:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-02 21:07:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-02 21:07:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2022-11-02 21:07:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2022-11-02 21:07:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:07:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:07:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2022-11-02 21:07:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2022-11-02 21:07:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2022-11-02 21:07:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2022-11-02 21:07:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:07:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2022-11-02 21:07:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2022-11-02 21:07:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-02 21:07:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-02 21:07:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-02 21:07:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-02 21:07:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2022-11-02 21:07:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2022-11-02 21:07:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:07:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:07:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2022-11-02 21:07:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2022-11-02 21:07:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-11-02 21:07:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-11-02 21:07:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2022-11-02 21:07:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2022-11-02 21:07:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-02 21:07:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-02 21:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2022-11-02 21:07:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2022-11-02 21:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2022-11-02 21:07:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2022-11-02 21:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 21:07:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 21:07:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2022-11-02 21:07:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2022-11-02 21:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2022-11-02 21:07:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2022-11-02 21:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2022-11-02 21:07:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2022-11-02 21:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2022-11-02 21:07:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2022-11-02 21:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2022-11-02 21:07:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2022-11-02 21:07:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2022-11-02 21:07:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2022-11-02 21:07:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2022-11-02 21:07:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2022-11-02 21:07:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2022-11-02 21:07:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2022-11-02 21:07:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:07:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:07:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2022-11-02 21:07:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2022-11-02 21:07:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-11-02 21:07:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-11-02 21:07:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-02 21:07:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-02 21:07:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2022-11-02 21:07:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2022-11-02 21:07:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2022-11-02 21:07:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2022-11-02 21:07:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2022-11-02 21:07:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2022-11-02 21:07:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-02 21:07:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-02 21:07:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-02 21:07:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-02 21:07:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2022-11-02 21:07:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2022-11-02 21:07:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2022-11-02 21:07:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2022-11-02 21:07:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2022-11-02 21:07:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2022-11-02 21:07:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:07:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:07:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-02 21:07:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-02 21:07:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2022-11-02 21:07:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2022-11-02 21:07:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2022-11-02 21:07:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2022-11-02 21:07:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:07:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:07:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2022-11-02 21:07:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2022-11-02 21:07:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2022-11-02 21:07:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2022-11-02 21:07:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2022-11-02 21:07:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2022-11-02 21:07:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2022-11-02 21:07:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2022-11-02 21:07:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2022-11-02 21:07:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2022-11-02 21:07:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 21:07:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 21:07:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2022-11-02 21:07:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2022-11-02 21:07:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2022-11-02 21:07:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2022-11-02 21:07:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 21:07:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 21:07:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2022-11-02 21:07:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2022-11-02 21:07:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-02 21:07:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-02 21:07:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 21:07:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2022-11-02 21:07:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2022-11-02 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 21:07:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-02 21:07:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-02 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:07:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:07:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:07:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2022-11-02 21:07:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2022-11-02 21:07:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2022-11-02 21:07:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2022-11-02 21:07:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2022-11-02 21:07:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2022-11-02 21:07:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2022-11-02 21:07:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2022-11-02 21:07:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2022-11-02 21:07:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2022-11-02 21:07:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2022-11-02 21:07:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2022-11-02 21:07:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2022-11-02 21:07:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2022-11-02 21:07:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:07:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:07:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2022-11-02 21:07:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2022-11-02 21:07:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 21:07:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 21:07:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2022-11-02 21:07:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2022-11-02 21:07:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-02 21:07:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-02 21:07:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-11-02 21:07:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-11-02 21:07:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 21:07:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 21:07:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2022-11-02 21:07:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2022-11-02 21:07:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2022-11-02 21:07:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2022-11-02 21:07:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2022-11-02 21:07:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2022-11-02 21:07:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2022-11-02 21:07:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2022-11-02 21:07:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:07:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2022-11-02 21:07:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2022-11-02 21:07:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-02 21:07:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-02 21:07:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2022-11-02 21:07:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2022-11-02 21:07:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 21:07:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 21:07:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2022-11-02 21:07:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2022-11-02 21:07:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:07:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:07:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2022-11-02 21:07:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2022-11-02 21:07:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:07:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:07:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2022-11-02 21:07:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2022-11-02 21:07:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-11-02 21:07:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-11-02 21:07:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2022-11-02 21:07:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2022-11-02 21:07:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-02 21:07:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-02 21:07:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:07:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:07:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2022-11-02 21:07:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2022-11-02 21:07:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2022-11-02 21:07:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2022-11-02 21:07:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-02 21:07:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-02 21:07:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2022-11-02 21:07:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2022-11-02 21:07:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2022-11-02 21:07:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2022-11-02 21:07:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 21:07:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 21:07:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 21:07:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 21:07:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 21:07:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 21:07:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2022-11-02 21:07:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2022-11-02 21:07:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2022-11-02 21:07:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2022-11-02 21:07:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2022-11-02 21:07:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2022-11-02 21:07:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2022-11-02 21:07:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2022-11-02 21:07:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2022-11-02 21:07:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2022-11-02 21:07:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2022-11-02 21:07:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2022-11-02 21:07:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2022-11-02 21:07:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2022-11-02 21:07:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2022-11-02 21:07:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2022-11-02 21:07:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 21:07:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 21:07:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2022-11-02 21:07:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2022-11-02 21:07:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2022-11-02 21:07:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2022-11-02 21:07:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2022-11-02 21:07:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2022-11-02 21:07:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2022-11-02 21:07:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2022-11-02 21:07:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:07:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:07:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2022-11-02 21:07:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2022-11-02 21:07:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:07:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:07:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2022-11-02 21:07:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2022-11-02 21:07:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2022-11-02 21:07:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2022-11-02 21:07:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2022-11-02 21:07:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2022-11-02 21:07:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:07:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2022-11-02 21:07:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2022-11-02 21:07:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 21:07:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-02 21:07:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-02 21:07:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2022-11-02 21:07:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2022-11-02 21:07:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2022-11-02 21:07:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2022-11-02 21:07:24,361 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:07:24,366 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:07:24,732 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:09:01,400 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:09:01,446 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:09:01,446 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:09:01,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:01 BoogieIcfgContainer [2022-11-02 21:09:01,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:09:01,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:09:01,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:09:01,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:09:01,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:07:05" (1/3) ... [2022-11-02 21:09:01,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4768f59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:01, skipping insertion in model container [2022-11-02 21:09:01,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (2/3) ... [2022-11-02 21:09:01,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4768f59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:01, skipping insertion in model container [2022-11-02 21:09:01,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:01" (3/3) ... [2022-11-02 21:09:01,468 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-11-02 21:09:01,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:09:01,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:09:01,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:09:01,857 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6487b38d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:09:01,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:09:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 7477 states, 5431 states have (on average 1.4393297735223716) internal successors, (7817), 5659 states have internal predecessors, (7817), 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) [2022-11-02 21:09:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-02 21:09:01,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:01,916 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] [2022-11-02 21:09:01,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:01,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:01,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2108503588, now seen corresponding path program 1 times [2022-11-02 21:09:01,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:01,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997476082] [2022-11-02 21:09:01,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:01,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:09:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 21:09:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:09:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:09:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:09:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:09:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:09:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:09:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:09:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 21:09:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:09:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 21:09:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:09:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 21:09:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 21:09:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-02 21:09:03,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:03,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997476082] [2022-11-02 21:09:03,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997476082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:03,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:03,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:09:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618265656] [2022-11-02 21:09:03,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:03,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:09:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:03,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:09:03,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:09:03,763 INFO L87 Difference]: Start difference. First operand has 7477 states, 5431 states have (on average 1.4393297735223716) internal successors, (7817), 5659 states have internal predecessors, (7817), 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) [2022-11-02 21:09:13,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:16,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:44,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:49,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:02,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:07,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:07,384 INFO L93 Difference]: Finished difference Result 16119 states and 26073 transitions. [2022-11-02 21:10:07,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:10:07,389 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 [2022-11-02 21:10:07,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:07,482 INFO L225 Difference]: With dead ends: 16119 [2022-11-02 21:10:07,483 INFO L226 Difference]: Without dead ends: 8631 [2022-11-02 21:10:07,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:07,567 INFO L413 NwaCegarLoop]: 10673 mSDtfsCounter, 4561 mSDsluCounter, 10112 mSDsCounter, 0 mSdLazyCounter, 7737 mSolverCounterSat, 4598 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4660 SdHoareTripleChecker+Valid, 20785 SdHoareTripleChecker+Invalid, 12341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4598 IncrementalHoareTripleChecker+Valid, 7737 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:07,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4660 Valid, 20785 Invalid, 12341 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4598 Valid, 7737 Invalid, 6 Unknown, 0 Unchecked, 62.4s Time] [2022-11-02 21:10:07,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8631 states. [2022-11-02 21:10:08,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8631 to 7458. [2022-11-02 21:10:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7458 states, 5423 states have (on average 1.4370274755670294) internal successors, (7793), 5640 states have internal predecessors, (7793), 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) [2022-11-02 21:10:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7458 states to 7458 states and 11335 transitions. [2022-11-02 21:10:08,440 INFO L78 Accepts]: Start accepts. Automaton has 7458 states and 11335 transitions. Word has length 173 [2022-11-02 21:10:08,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:08,441 INFO L495 AbstractCegarLoop]: Abstraction has 7458 states and 11335 transitions. [2022-11-02 21:10:08,442 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) [2022-11-02 21:10:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 7458 states and 11335 transitions. [2022-11-02 21:10:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-02 21:10:08,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:08,458 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] [2022-11-02 21:10:08,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:10:08,459 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:08,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash 2126239578, now seen corresponding path program 1 times [2022-11-02 21:10:08,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:08,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654521733] [2022-11-02 21:10:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:08,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:10:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 21:10:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:10:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:10:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:10:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:10:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:10:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:10:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:10:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 21:10:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:10:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 21:10:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:10:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 21:10:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 21:10:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-02 21:10:09,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:09,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654521733] [2022-11-02 21:10:09,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654521733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:09,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:09,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:09,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319839220] [2022-11-02 21:10:09,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:09,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:09,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:09,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:09,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:09,693 INFO L87 Difference]: Start difference. First operand 7458 states and 11335 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) [2022-11-02 21:10:23,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:42,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []