./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ --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 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- 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-dbf71c6-m [2022-10-17 10:46:10,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:46:10,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:46:10,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:46:10,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:46:10,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:46:10,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:46:10,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:46:10,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:46:10,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:46:10,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:46:10,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:46:10,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:46:10,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:46:10,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:46:10,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:46:10,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:46:10,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:46:10,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:46:10,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:46:10,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:46:10,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:46:10,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:46:10,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:46:10,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:46:10,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:46:10,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:46:10,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:46:10,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:46:10,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:46:10,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:46:10,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:46:10,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:46:10,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:46:10,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:46:10,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:46:10,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:46:10,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:46:10,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:46:10,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:46:10,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:46:10,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:46:10,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:46:10,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:46:10,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:46:10,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:46:10,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:46:10,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:46:10,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:46:10,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:46:10,288 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:46:10,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:46:10,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:46:10,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:46:10,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:46:10,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:46:10,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:46:10,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:46:10,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:46:10,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:46:10,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:46:10,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:46:10,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:46:10,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:46:10,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:46:10,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:46:10,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:46:10,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:46:10,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:46:10,295 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:46:10,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:46:10,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:46:10,296 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_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2022-10-17 10:46:10,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:46:10,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:46:10,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:46:10,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:46:10,574 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:46:10,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-10-17 10:46:10,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/data/595c77575/d2677729179c4fffb34715b67b8d4f1b/FLAG2432bf297 [2022-10-17 10:46:11,598 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:46:11,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-10-17 10:46:11,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/data/595c77575/d2677729179c4fffb34715b67b8d4f1b/FLAG2432bf297 [2022-10-17 10:46:11,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/data/595c77575/d2677729179c4fffb34715b67b8d4f1b [2022-10-17 10:46:11,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:46:11,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:46:11,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:46:11,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:46:11,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:46:11,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:46:11" (1/1) ... [2022-10-17 10:46:11,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556192eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:11, skipping insertion in model container [2022-10-17 10:46:11,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:46:11" (1/1) ... [2022-10-17 10:46:11,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:46:12,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:46:13,449 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_84072e25-8d40-49a2-91af-c476af5fdbd8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-10-17 10:46:14,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:46:14,805 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:46:14,963 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_84072e25-8d40-49a2-91af-c476af5fdbd8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-10-17 10:46:15,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:46:15,606 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:46:15,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15 WrapperNode [2022-10-17 10:46:15,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:46:15,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:46:15,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:46:15,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:46:15,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:15,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,016 INFO L138 Inliner]: procedures = 318, calls = 3918, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6384 [2022-10-17 10:46:16,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:46:16,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:46:16,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:46:16,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:46:16,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:46:16,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:46:16,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:46:16,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:46:16,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (1/1) ... [2022-10-17 10:46:16,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:46:16,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:46:16,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:46:16,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84072e25-8d40-49a2-91af-c476af5fdbd8/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:46:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-10-17 10:46:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-10-17 10:46:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-17 10:46:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-17 10:46:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-10-17 10:46:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-10-17 10:46:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-10-17 10:46:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-10-17 10:46:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-10-17 10:46:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-10-17 10:46:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:46:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:46:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-10-17 10:46:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-10-17 10:46:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-17 10:46:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-17 10:46:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-10-17 10:46:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-10-17 10:46:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 10:46:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 10:46:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-10-17 10:46:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-10-17 10:46:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:46:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:46:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-17 10:46:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-17 10:46:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-10-17 10:46:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-10-17 10:46:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-10-17 10:46:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-10-17 10:46:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-10-17 10:46:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-10-17 10:46:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-10-17 10:46:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-10-17 10:46:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-10-17 10:46:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-10-17 10:46:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:46:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:46:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-10-17 10:46:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-10-17 10:46:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 10:46:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 10:46:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:46:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:46:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-10-17 10:46:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-10-17 10:46:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:46:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:46:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-10-17 10:46:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-10-17 10:46:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-17 10:46:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-17 10:46:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-10-17 10:46:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-10-17 10:46:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-17 10:46:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-17 10:46:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-10-17 10:46:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-10-17 10:46:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-10-17 10:46:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-10-17 10:46:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:46:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:46:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-10-17 10:46:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-10-17 10:46:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-10-17 10:46:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-10-17 10:46:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-10-17 10:46:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-10-17 10:46:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 10:46:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 10:46:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-10-17 10:46:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-10-17 10:46:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-10-17 10:46:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-10-17 10:46:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-10-17 10:46:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-10-17 10:46:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:46:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-17 10:46:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-10-17 10:46:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-10-17 10:46:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-10-17 10:46:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:46:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:46:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-10-17 10:46:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-10-17 10:46:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-10-17 10:46:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-10-17 10:46:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-10-17 10:46:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-10-17 10:46:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-10-17 10:46:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-10-17 10:46:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-10-17 10:46:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-10-17 10:46:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-10-17 10:46:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-10-17 10:46:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-10-17 10:46:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-10-17 10:46:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:46:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:46:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-10-17 10:46:16,495 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-10-17 10:46:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:46:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-10-17 10:46:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-10-17 10:46:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-10-17 10:46:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-10-17 10:46:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:46:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-10-17 10:46:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-10-17 10:46:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-10-17 10:46:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-10-17 10:46:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-10-17 10:46:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-10-17 10:46:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-10-17 10:46:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-10-17 10:46:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:46:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:46:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-10-17 10:46:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-10-17 10:46:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:46:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:46:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-10-17 10:46:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-10-17 10:46:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:46:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:46:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-10-17 10:46:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-10-17 10:46:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:46:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:46:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-10-17 10:46:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-10-17 10:46:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-10-17 10:46:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-10-17 10:46:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-10-17 10:46:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-10-17 10:46:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-10-17 10:46:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-10-17 10:46:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:46:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-10-17 10:46:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-10-17 10:46:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:46:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:46:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 10:46:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 10:46:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-10-17 10:46:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-10-17 10:46:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 10:46:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 10:46:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-10-17 10:46:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-10-17 10:46:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-10-17 10:46:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-10-17 10:46:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-10-17 10:46:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-10-17 10:46:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:46:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:46:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:46:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-10-17 10:46:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-10-17 10:46:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:46:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:46:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-10-17 10:46:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-10-17 10:46:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:46:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:46:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:46:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-10-17 10:46:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-10-17 10:46:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-10-17 10:46:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-10-17 10:46:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-10-17 10:46:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-10-17 10:46:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-10-17 10:46:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-10-17 10:46:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:46:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-10-17 10:46:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-10-17 10:46:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-10-17 10:46:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-10-17 10:46:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:46:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:46:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:46:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:46:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:46:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:46:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-10-17 10:46:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-10-17 10:46:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-17 10:46:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-17 10:46:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-17 10:46:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-17 10:46:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 10:46:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 10:46:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-10-17 10:46:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-10-17 10:46:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:46:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:46:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-10-17 10:46:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-10-17 10:46:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-10-17 10:46:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-10-17 10:46:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-17 10:46:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-17 10:46:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-10-17 10:46:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-10-17 10:46:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-10-17 10:46:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-10-17 10:46:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-10-17 10:46:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-10-17 10:46:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-17 10:46:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-17 10:46:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-17 10:46:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-17 10:46:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:46:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-10-17 10:46:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-10-17 10:46:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-10-17 10:46:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-10-17 10:46:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-17 10:46:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-17 10:46:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:46:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:46:17,436 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:46:17,441 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:46:17,781 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:46:19,092 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-17 10:46:25,133 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:46:25,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:46:25,154 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:46:25,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:46:25 BoogieIcfgContainer [2022-10-17 10:46:25,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:46:25,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:46:25,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:46:25,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:46:25,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:46:11" (1/3) ... [2022-10-17 10:46:25,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6543df31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:46:25, skipping insertion in model container [2022-10-17 10:46:25,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:46:15" (2/3) ... [2022-10-17 10:46:25,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6543df31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:46:25, skipping insertion in model container [2022-10-17 10:46:25,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:46:25" (3/3) ... [2022-10-17 10:46:25,169 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-10-17 10:46:25,188 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:46:25,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:46:25,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:46:25,340 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;@493bb02f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:46:25,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:46:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 2085 states, 1440 states have (on average 1.3743055555555554) internal successors, (1979), 1515 states have internal predecessors, (1979), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) [2022-10-17 10:46:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 10:46:25,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:46:25,397 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-17 10:46:25,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:46:25,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:46:25,405 INFO L85 PathProgramCache]: Analyzing trace with hash -670781513, now seen corresponding path program 1 times [2022-10-17 10:46:25,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:46:25,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16753966] [2022-10-17 10:46:25,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:46:25,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:46:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:46:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:46:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:46:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:46:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:46:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:46:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-17 10:46:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:46:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 10:46:27,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:46:27,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16753966] [2022-10-17 10:46:27,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16753966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:46:27,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:46:27,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:46:27,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712321551] [2022-10-17 10:46:27,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:46:27,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 10:46:27,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:46:27,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 10:46:27,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:46:27,808 INFO L87 Difference]: Start difference. First operand has 2085 states, 1440 states have (on average 1.3743055555555554) internal successors, (1979), 1515 states have internal predecessors, (1979), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)