./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/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 3b1986f893b92b583df635a6037935ebceab765520aec8f1f2d3a2b6ea37b26f --- 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 20:38:43,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:38:43,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:38:43,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:38:43,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:38:43,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:38:43,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:38:43,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:38:43,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:38:43,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:38:43,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:38:43,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:38:43,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:38:43,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:38:43,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:38:43,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:38:43,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:38:43,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:38:43,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:38:43,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:38:43,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:38:43,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:38:43,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:38:43,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:38:43,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:38:43,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:38:43,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:38:43,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:38:43,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:38:43,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:38:43,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:38:43,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:38:43,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:38:43,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:38:43,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:38:43,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:38:43,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:38:43,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:38:43,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:38:43,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:38:43,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:38:43,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:38:43,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:38:43,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:38:43,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:38:43,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:38:43,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:38:43,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:38:43,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:38:43,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:38:43,252 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:38:43,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:38:43,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:38:43,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:38:43,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:38:43,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:38:43,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:38:43,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:38:43,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:38:43,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:38:43,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:38:43,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:38:43,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:38:43,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:43,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:38:43,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:38:43,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:38:43,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:38:43,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:38:43,257 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:38:43,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:38:43,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:38:43,258 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b1986f893b92b583df635a6037935ebceab765520aec8f1f2d3a2b6ea37b26f [2022-11-02 20:38:43,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:38:43,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:38:43,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:38:43,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:38:43,596 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:38:43,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:38:43,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/data/be513efcd/40db5320004545b6ac94b6c004d9ea36/FLAGc47e4f013 [2022-11-02 20:38:44,912 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:38:44,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:38:44,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/data/be513efcd/40db5320004545b6ac94b6c004d9ea36/FLAGc47e4f013 [2022-11-02 20:38:45,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/data/be513efcd/40db5320004545b6ac94b6c004d9ea36 [2022-11-02 20:38:45,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:38:45,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:38:45,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:45,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:38:45,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:38:45,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:45" (1/1) ... [2022-11-02 20:38:45,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb6dd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:45, skipping insertion in model container [2022-11-02 20:38:45,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:45" (1/1) ... [2022-11-02 20:38:45,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:38:45,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:38:51,818 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749649,749662] [2022-11-02 20:38:51,821 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749796,749809] [2022-11-02 20:38:51,822 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749935,749948] [2022-11-02 20:38:51,823 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[750093,750106] [2022-11-02 20:38:51,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:51,939 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:38:52,802 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749649,749662] [2022-11-02 20:38:52,803 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749796,749809] [2022-11-02 20:38:52,803 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749935,749948] [2022-11-02 20:38:52,804 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_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[750093,750106] [2022-11-02 20:38:52,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:53,071 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:38:53,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53 WrapperNode [2022-11-02 20:38:53,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:53,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:53,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:38:53,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:38:53,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:53,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:53,804 INFO L138 Inliner]: procedures = 617, calls = 11504, calls flagged for inlining = 310, calls inlined = 246, statements flattened = 12799 [2022-11-02 20:38:53,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:53,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:38:53,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:38:53,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:38:53,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:53,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:53,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:53,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:38:54,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:38:54,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:38:54,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:38:54,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:54,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:54,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:38:54,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a64a0-30fd-43f7-9db9-a39eed8ea977/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:38:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:38:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:38:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:38:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:38:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2022-11-02 20:38:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2022-11-02 20:38:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2022-11-02 20:38:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2022-11-02 20:38:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2022-11-02 20:38:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2022-11-02 20:38:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:38:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:38:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:38:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:38:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-02 20:38:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-02 20:38:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2022-11-02 20:38:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2022-11-02 20:38:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2022-11-02 20:38:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2022-11-02 20:38:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:38:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:38:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:38:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:38:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2022-11-02 20:38:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2022-11-02 20:38:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2022-11-02 20:38:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2022-11-02 20:38:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:38:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:38:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:38:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:38:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:38:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:38:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:38:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:38:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:38:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:38:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:38:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:38:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2022-11-02 20:38:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2022-11-02 20:38:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:38:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:38:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:38:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:38:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2022-11-02 20:38:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2022-11-02 20:38:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2022-11-02 20:38:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2022-11-02 20:38:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2022-11-02 20:38:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2022-11-02 20:38:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:38:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:38:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:38:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2022-11-02 20:38:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2022-11-02 20:38:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:38:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:38:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2022-11-02 20:38:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2022-11-02 20:38:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:38:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:38:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2022-11-02 20:38:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2022-11-02 20:38:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2022-11-02 20:38:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2022-11-02 20:38:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:38:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:38:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2022-11-02 20:38:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2022-11-02 20:38:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:38:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:38:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-02 20:38:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-02 20:38:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:38:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:38:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:38:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-02 20:38:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-02 20:38:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:38:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2022-11-02 20:38:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2022-11-02 20:38:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:38:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:38:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2022-11-02 20:38:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2022-11-02 20:38:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:38:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:38:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:38:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2022-11-02 20:38:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2022-11-02 20:38:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2022-11-02 20:38:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2022-11-02 20:38:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:38:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:38:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:38:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:38:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:38:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:38:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:38:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:38:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2022-11-02 20:38:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2022-11-02 20:38:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:38:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:38:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:38:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:38:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2022-11-02 20:38:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2022-11-02 20:38:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:38:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:38:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2022-11-02 20:38:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2022-11-02 20:38:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2022-11-02 20:38:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2022-11-02 20:38:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2022-11-02 20:38:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2022-11-02 20:38:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:38:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:38:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:38:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:38:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:38:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:38:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2022-11-02 20:38:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2022-11-02 20:38:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:38:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:38:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2022-11-02 20:38:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2022-11-02 20:38:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:38:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:38:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:38:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-02 20:38:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-02 20:38:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:38:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2022-11-02 20:38:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2022-11-02 20:38:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:38:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:38:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2022-11-02 20:38:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2022-11-02 20:38:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:38:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:38:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2022-11-02 20:38:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2022-11-02 20:38:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:38:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:38:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:38:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:38:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2022-11-02 20:38:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2022-11-02 20:38:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2022-11-02 20:38:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2022-11-02 20:38:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:38:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:38:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2022-11-02 20:38:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2022-11-02 20:38:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-02 20:38:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-02 20:38:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:38:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:38:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-02 20:38:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-02 20:38:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2022-11-02 20:38:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2022-11-02 20:38:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2022-11-02 20:38:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2022-11-02 20:38:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 20:38:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 20:38:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:38:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:38:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:38:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:38:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2022-11-02 20:38:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2022-11-02 20:38:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:38:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:38:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2022-11-02 20:38:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2022-11-02 20:38:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2022-11-02 20:38:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2022-11-02 20:38:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2022-11-02 20:38:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2022-11-02 20:38:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2022-11-02 20:38:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2022-11-02 20:38:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:38:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:38:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2022-11-02 20:38:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2022-11-02 20:38:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2022-11-02 20:38:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2022-11-02 20:38:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2022-11-02 20:38:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2022-11-02 20:38:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2022-11-02 20:38:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2022-11-02 20:38:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:38:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:38:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:38:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:38:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2022-11-02 20:38:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2022-11-02 20:38:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2022-11-02 20:38:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2022-11-02 20:38:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:38:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:38:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:38:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:38:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:38:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:38:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2022-11-02 20:38:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2022-11-02 20:38:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:38:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:38:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-02 20:38:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-02 20:38:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:38:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:38:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:38:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:38:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:38:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2022-11-02 20:38:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2022-11-02 20:38:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:38:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:38:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2022-11-02 20:38:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2022-11-02 20:38:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:38:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2022-11-02 20:38:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2022-11-02 20:38:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2022-11-02 20:38:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2022-11-02 20:38:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2022-11-02 20:38:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2022-11-02 20:38:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2022-11-02 20:38:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2022-11-02 20:38:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2022-11-02 20:38:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2022-11-02 20:38:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-02 20:38:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-02 20:38:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:38:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2022-11-02 20:38:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2022-11-02 20:38:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 20:38:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 20:38:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:38:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:38:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2022-11-02 20:38:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2022-11-02 20:38:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2022-11-02 20:38:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2022-11-02 20:38:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:38:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:38:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:38:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:38:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2022-11-02 20:38:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2022-11-02 20:38:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:38:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:38:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:38:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:38:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 20:38:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 20:38:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2022-11-02 20:38:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2022-11-02 20:38:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2022-11-02 20:38:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2022-11-02 20:38:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2022-11-02 20:38:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2022-11-02 20:38:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-02 20:38:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-02 20:38:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2022-11-02 20:38:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2022-11-02 20:38:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:38:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:38:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-02 20:38:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-02 20:38:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:38:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:38:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-02 20:38:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-02 20:38:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2022-11-02 20:38:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2022-11-02 20:38:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2022-11-02 20:38:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2022-11-02 20:38:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-02 20:38:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-02 20:38:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:38:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:38:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:38:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2022-11-02 20:38:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2022-11-02 20:38:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:38:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:38:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2022-11-02 20:38:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2022-11-02 20:38:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2022-11-02 20:38:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2022-11-02 20:38:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:38:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:38:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2022-11-02 20:38:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2022-11-02 20:38:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:38:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:38:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2022-11-02 20:38:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2022-11-02 20:38:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:38:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:38:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:38:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:38:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2022-11-02 20:38:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2022-11-02 20:38:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:38:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:38:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:38:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:38:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:38:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:38:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:38:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:38:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:38:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:38:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2022-11-02 20:38:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2022-11-02 20:38:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:38:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:38:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2022-11-02 20:38:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2022-11-02 20:38:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-02 20:38:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2022-11-02 20:38:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2022-11-02 20:38:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2022-11-02 20:38:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2022-11-02 20:38:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:38:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2022-11-02 20:38:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2022-11-02 20:38:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2022-11-02 20:38:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2022-11-02 20:38:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:38:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:38:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-02 20:38:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-02 20:38:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2022-11-02 20:38:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2022-11-02 20:38:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2022-11-02 20:38:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2022-11-02 20:38:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-02 20:38:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-02 20:38:56,597 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:38:56,601 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:39:11,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:41:34,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:41:34,358 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:34,392 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:34,392 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:41:34,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34 BoogieIcfgContainer [2022-11-02 20:41:34,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:34,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:41:34,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:41:34,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:41:34,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:38:45" (1/3) ... [2022-11-02 20:41:34,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76924d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:34, skipping insertion in model container [2022-11-02 20:41:34,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (2/3) ... [2022-11-02 20:41:34,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76924d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:34, skipping insertion in model container [2022-11-02 20:41:34,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34" (3/3) ... [2022-11-02 20:41:34,409 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:41:34,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:41:34,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-02 20:41:34,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:41:34,573 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;@28e839c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:41:34,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-02 20:41:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 3707 states, 2667 states have (on average 1.343082114735658) internal successors, (3582), 2683 states have internal predecessors, (3582), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 866 states have call predecessors, (868), 868 states have call successors, (868) [2022-11-02 20:41:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-02 20:41:34,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:34,634 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:41:34,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:34,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:34,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1261942305, now seen corresponding path program 1 times [2022-11-02 20:41:34,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:34,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396243673] [2022-11-02 20:41:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 20:41:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 20:41:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-02 20:41:37,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:37,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396243673] [2022-11-02 20:41:37,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396243673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:37,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:37,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:37,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469653119] [2022-11-02 20:41:37,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:37,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:37,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:37,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:37,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:37,448 INFO L87 Difference]: Start difference. First operand has 3707 states, 2667 states have (on average 1.343082114735658) internal successors, (3582), 2683 states have internal predecessors, (3582), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 866 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 20:41:43,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:45,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:47,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:52,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:11,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:13,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:16,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:19,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:22,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:24,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:27,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:30,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:34,070 WARN L539 Checker$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 20:42:37,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:39,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:41,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:44,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:46,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:46,675 INFO L93 Difference]: Finished difference Result 10682 states and 16147 transitions. [2022-11-02 20:42:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:46,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 209 [2022-11-02 20:42:46,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:46,766 INFO L225 Difference]: With dead ends: 10682 [2022-11-02 20:42:46,766 INFO L226 Difference]: Without dead ends: 7001 [2022-11-02 20:42:46,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:42:46,813 INFO L413 NwaCegarLoop]: 6071 mSDtfsCounter, 5542 mSDsluCounter, 6035 mSDsCounter, 0 mSdLazyCounter, 3615 mSolverCounterSat, 2179 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6229 SdHoareTripleChecker+Valid, 12106 SdHoareTripleChecker+Invalid, 5811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2179 IncrementalHoareTripleChecker+Valid, 3615 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:46,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6229 Valid, 12106 Invalid, 5811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2179 Valid, 3615 Invalid, 17 Unknown, 0 Unchecked, 68.3s Time] [2022-11-02 20:42:46,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7001 states. [2022-11-02 20:42:47,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7001 to 6870. [2022-11-02 20:42:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6870 states, 4938 states have (on average 1.3361684892669097) internal successors, (6598), 4969 states have internal predecessors, (6598), 1619 states have call successors, (1619), 312 states have call predecessors, (1619), 311 states have return successors, (1616), 1612 states have call predecessors, (1616), 1616 states have call successors, (1616) [2022-11-02 20:42:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6870 states to 6870 states and 9833 transitions. [2022-11-02 20:42:47,419 INFO L78 Accepts]: Start accepts. Automaton has 6870 states and 9833 transitions. Word has length 209 [2022-11-02 20:42:47,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:47,424 INFO L495 AbstractCegarLoop]: Abstraction has 6870 states and 9833 transitions. [2022-11-02 20:42:47,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 20:42:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 6870 states and 9833 transitions. [2022-11-02 20:42:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-02 20:42:47,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:47,446 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:42:47,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:42:47,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:42:47,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash 985532608, now seen corresponding path program 1 times [2022-11-02 20:42:47,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:47,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275616702] [2022-11-02 20:42:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms