./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a9c8f94f09b1c026f1259f644aba290ca23805a393c653fbab537af21cc23e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:36:33,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:36:33,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:36:33,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:36:33,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:36:33,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:36:33,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:36:33,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:36:33,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:36:33,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:36:33,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:36:33,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:36:33,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:36:33,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:36:33,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:36:33,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:36:33,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:36:33,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:36:33,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:36:33,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:36:33,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:36:33,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:36:33,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:36:33,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:36:33,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:36:33,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:36:33,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:36:33,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:36:33,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:36:33,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:36:33,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:36:33,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:36:33,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:36:33,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:36:33,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:36:33,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:36:33,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:36:33,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:36:33,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:36:33,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:36:33,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:36:33,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:36:33,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:36:33,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:36:33,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:36:33,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:36:33,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:36:33,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:36:33,693 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:36:33,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:36:33,693 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:36:33,693 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:36:33,694 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:36:33,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:36:33,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:36:33,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:36:33,695 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:36:33,696 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:36:33,696 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:36:33,696 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:36:33,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:36:33,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:36:33,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:36:33,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:36:33,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:36:33,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:36:33,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:36:33,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:36:33,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:36:33,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:36:33,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:36:33,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:36:33,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:36:33,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:36:33,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:36:33,702 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:36:33,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:36:33,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:36:33,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:36:33,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:36:33,703 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a9c8f94f09b1c026f1259f644aba290ca23805a393c653fbab537af21cc23e0 [2021-11-23 02:36:34,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:36:34,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:36:34,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:36:34,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:36:34,027 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:36:34,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i [2021-11-23 02:36:34,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/data/4217d7595/75849f0fb65b42d4a93e37d98a0e7c9e/FLAGb548e89f5 [2021-11-23 02:36:35,157 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:36:35,159 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i [2021-11-23 02:36:35,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/data/4217d7595/75849f0fb65b42d4a93e37d98a0e7c9e/FLAGb548e89f5 [2021-11-23 02:36:35,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/data/4217d7595/75849f0fb65b42d4a93e37d98a0e7c9e [2021-11-23 02:36:35,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:36:35,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:36:35,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:36:35,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:36:35,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:36:35,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:36:35" (1/1) ... [2021-11-23 02:36:35,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b24313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:35, skipping insertion in model container [2021-11-23 02:36:35,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:36:35" (1/1) ... [2021-11-23 02:36:35,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:36:35,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:36:40,106 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_dc3579e1-8f88-446c-91eb-04732600651a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i[556450,556463] [2021-11-23 02:36:40,110 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_dc3579e1-8f88-446c-91eb-04732600651a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i[556595,556608] [2021-11-23 02:36:40,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:36:40,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:36:41,099 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_dc3579e1-8f88-446c-91eb-04732600651a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i[556450,556463] [2021-11-23 02:36:41,099 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_dc3579e1-8f88-446c-91eb-04732600651a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i[556595,556608] [2021-11-23 02:36:41,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:36:41,452 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:36:41,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41 WrapperNode [2021-11-23 02:36:41,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:36:41,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:36:41,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:36:41,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:36:41,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:41,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:41,885 INFO L137 Inliner]: procedures = 425, calls = 4157, calls flagged for inlining = 226, calls inlined = 211, statements flattened = 6923 [2021-11-23 02:36:41,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:36:41,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:36:41,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:36:41,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:36:41,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:41,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:42,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:42,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:42,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:42,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:42,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:42,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:36:42,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:36:42,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:36:42,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:36:42,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (1/1) ... [2021-11-23 02:36:42,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:36:42,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:36:42,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:36:42,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3579e1-8f88-446c-91eb-04732600651a/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:36:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure dw2104_i2c_transfer [2021-11-23 02:36:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2104_i2c_transfer [2021-11-23 02:36:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_13_4 [2021-11-23 02:36:42,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_13_4 [2021-11-23 02:36:42,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 02:36:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 02:36:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2021-11-23 02:36:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2021-11-23 02:36:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:36:42,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:36:42,564 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2021-11-23 02:36:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2021-11-23 02:36:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2021-11-23 02:36:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2021-11-23 02:36:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure zl100313_frontend_attach [2021-11-23 02:36:42,565 INFO L138 BoogieDeclarations]: Found implementation of procedure zl100313_frontend_attach [2021-11-23 02:36:42,565 INFO L130 BoogieDeclarations]: Found specification of procedure dw2102_i2c_transfer [2021-11-23 02:36:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2102_i2c_transfer [2021-11-23 02:36:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:36:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:36:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:36:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:36:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 02:36:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 02:36:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:36:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure dw3101_frontend_attach [2021-11-23 02:36:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dw3101_frontend_attach [2021-11-23 02:36:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:36:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:36:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure su3000_i2c_transfer [2021-11-23 02:36:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure su3000_i2c_transfer [2021-11-23 02:36:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:36:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:36:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:36:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure dw210x_op_rw [2021-11-23 02:36:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dw210x_op_rw [2021-11-23 02:36:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:36:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:36:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:36:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:36:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-23 02:36:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-23 02:36:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:36:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:36:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 02:36:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 02:36:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure dw2102_rc_query [2021-11-23 02:36:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2102_rc_query [2021-11-23 02:36:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure s6x0_i2c_transfer [2021-11-23 02:36:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure s6x0_i2c_transfer [2021-11-23 02:36:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:36:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure dw2102_frontend_attach [2021-11-23 02:36:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2102_frontend_attach [2021-11-23 02:36:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:36:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:36:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 02:36:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 02:36:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:36:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:36:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:36:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:36:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure su3000_read_mac_address [2021-11-23 02:36:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure su3000_read_mac_address [2021-11-23 02:36:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure dw2102_probe [2021-11-23 02:36:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2102_probe [2021-11-23 02:36:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:36:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:36:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure dw210x_read_mac_address [2021-11-23 02:36:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dw210x_read_mac_address [2021-11-23 02:36:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-23 02:36:42,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-23 02:36:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-23 02:36:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-23 02:36:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure su3000_rc_query [2021-11-23 02:36:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure su3000_rc_query [2021-11-23 02:36:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure dw210x_i2c_func [2021-11-23 02:36:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dw210x_i2c_func [2021-11-23 02:36:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:36:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:36:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure su3000_identify_state [2021-11-23 02:36:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure su3000_identify_state [2021-11-23 02:36:42,576 INFO L130 BoogieDeclarations]: Found specification of procedure dw2104_frontend_attach [2021-11-23 02:36:42,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2104_frontend_attach [2021-11-23 02:36:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2021-11-23 02:36:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2021-11-23 02:36:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:36:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:36:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:36:42,577 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2021-11-23 02:36:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2021-11-23 02:36:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:36:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:36:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:36:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure dw3101_i2c_transfer [2021-11-23 02:36:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dw3101_i2c_transfer [2021-11-23 02:36:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-23 02:36:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-23 02:36:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:36:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:36:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure su3000_power_ctrl [2021-11-23 02:36:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure su3000_power_ctrl [2021-11-23 02:36:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure dw3101_tuner_attach [2021-11-23 02:36:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dw3101_tuner_attach [2021-11-23 02:36:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:36:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dw2102_driver_exit_17_2 [2021-11-23 02:36:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dw2102_driver_exit_17_2 [2021-11-23 02:36:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:36:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:36:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:36:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure su3000_streaming_ctrl [2021-11-23 02:36:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure su3000_streaming_ctrl [2021-11-23 02:36:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:36:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:36:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:36:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure su3000_frontend_attach [2021-11-23 02:36:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure su3000_frontend_attach [2021-11-23 02:36:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_generic_rw [2021-11-23 02:36:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_generic_rw [2021-11-23 02:36:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure dw2102_serit_i2c_transfer [2021-11-23 02:36:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2102_serit_i2c_transfer [2021-11-23 02:36:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-23 02:36:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-23 02:36:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 02:36:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 02:36:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2021-11-23 02:36:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2021-11-23 02:36:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure t220_frontend_attach [2021-11-23 02:36:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure t220_frontend_attach [2021-11-23 02:36:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:36:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:36:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:36:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure dw2102_load_firmware [2021-11-23 02:36:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dw2102_load_firmware [2021-11-23 02:36:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-11-23 02:36:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-11-23 02:36:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 02:36:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 02:36:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2021-11-23 02:36:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~$Pointer$ [2021-11-23 02:36:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2021-11-23 02:36:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2021-11-23 02:36:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:36:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:36:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2021-11-23 02:36:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2021-11-23 02:36:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:36:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:36:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure s6x0_read_mac_address [2021-11-23 02:36:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure s6x0_read_mac_address [2021-11-23 02:36:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:36:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:36:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:36:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-23 02:36:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-23 02:36:43,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:36:43,961 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:37:03,395 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:50:12,611 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:50:12,734 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:50:19,718 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:50:19,718 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:50:19,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:19 BoogieIcfgContainer [2021-11-23 02:50:19,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:50:19,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:50:19,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:50:19,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:50:19,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:36:35" (1/3) ... [2021-11-23 02:50:19,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e266331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:19, skipping insertion in model container [2021-11-23 02:50:19,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:41" (2/3) ... [2021-11-23 02:50:19,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e266331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:19, skipping insertion in model container [2021-11-23 02:50:19,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:19" (3/3) ... [2021-11-23 02:50:19,740 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-dvb-usb-dvb-usb-dw2102.cil.i [2021-11-23 02:50:19,749 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:50:19,749 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:50:19,826 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:50:19,834 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:50:19,834 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:50:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 2099 states, 1370 states have (on average 1.3875912408759123) internal successors, (1901), 1399 states have internal predecessors, (1901), 660 states have call successors, (660), 69 states have call predecessors, (660), 68 states have return successors, (654), 654 states have call predecessors, (654), 654 states have call successors, (654) [2021-11-23 02:50:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2021-11-23 02:50:20,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:20,032 INFO L514 BasicCegarLoop]: trace histogram [105, 104, 104, 104, 104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:50:20,033 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:50:20,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:20,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1932470794, now seen corresponding path program 1 times [2021-11-23 02:50:20,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:20,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263084974] [2021-11-23 02:50:20,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:20,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43056 trivial. 0 not checked. [2021-11-23 02:50:22,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:22,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263084974] [2021-11-23 02:50:22,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263084974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:22,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:22,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:50:22,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035984146] [2021-11-23 02:50:22,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:23,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:50:23,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:23,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:50:23,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:23,066 INFO L87 Difference]: Start difference. First operand has 2099 states, 1370 states have (on average 1.3875912408759123) internal successors, (1901), 1399 states have internal predecessors, (1901), 660 states have call successors, (660), 69 states have call predecessors, (660), 68 states have return successors, (654), 654 states have call predecessors, (654), 654 states have call successors, (654) Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (107), 3 states have call predecessors, (107), 3 states have call successors, (107) [2021-11-23 02:50:25,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:30,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:30,792 INFO L93 Difference]: Finished difference Result 5816 states and 9175 transitions. [2021-11-23 02:50:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:50:30,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (107), 3 states have call predecessors, (107), 3 states have call successors, (107) Word has length 1065 [2021-11-23 02:50:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:30,899 INFO L225 Difference]: With dead ends: 5816 [2021-11-23 02:50:30,899 INFO L226 Difference]: Without dead ends: 3861 [2021-11-23 02:50:30,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:30,947 INFO L933 BasicCegarLoop]: 3369 mSDtfsCounter, 2806 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2806 SdHoareTripleChecker+Valid, 6164 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:30,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2806 Valid, 6164 Invalid, 809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 801 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-11-23 02:50:30,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2021-11-23 02:50:31,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3857. [2021-11-23 02:50:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 2578 states have (on average 1.3987587276958884) internal successors, (3606), 2636 states have internal predecessors, (3606), 1148 states have call successors, (1148), 130 states have call predecessors, (1148), 130 states have return successors, (1148), 1146 states have call predecessors, (1148), 1148 states have call successors, (1148) [2021-11-23 02:50:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5902 transitions. [2021-11-23 02:50:31,470 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5902 transitions. Word has length 1065 [2021-11-23 02:50:31,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:31,476 INFO L470 AbstractCegarLoop]: Abstraction has 3857 states and 5902 transitions. [2021-11-23 02:50:31,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (107), 3 states have call predecessors, (107), 3 states have call successors, (107) [2021-11-23 02:50:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5902 transitions. [2021-11-23 02:50:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2021-11-23 02:50:31,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:31,559 INFO L514 BasicCegarLoop]: trace histogram [105, 104, 104, 104, 104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:50:31,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:50:31,560 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:50:31,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:31,562 INFO L85 PathProgramCache]: Analyzing trace with hash -149397121, now seen corresponding path program 1 times [2021-11-23 02:50:31,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:31,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252308812] [2021-11-23 02:50:31,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:31,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43056 trivial. 0 not checked. [2021-11-23 02:50:33,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:33,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252308812] [2021-11-23 02:50:33,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252308812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:33,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:33,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:50:33,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548072065] [2021-11-23 02:50:33,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:33,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:50:33,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:33,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:50:33,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:33,293 INFO L87 Difference]: Start difference. First operand 3857 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (107), 3 states have call predecessors, (107), 3 states have call successors, (107) [2021-11-23 02:50:35,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:41,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:50:41,338 INFO L93 Difference]: Finished difference Result 11057 states and 16926 transitions. [2021-11-23 02:50:41,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:50:41,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (107), 3 states have call predecessors, (107), 3 states have call successors, (107) Word has length 1066 [2021-11-23 02:50:41,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:50:41,441 INFO L225 Difference]: With dead ends: 11057 [2021-11-23 02:50:41,442 INFO L226 Difference]: Without dead ends: 7409 [2021-11-23 02:50:41,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:41,482 INFO L933 BasicCegarLoop]: 3331 mSDtfsCounter, 2746 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 6070 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:50:41,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2746 Valid, 6070 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 807 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-23 02:50:41,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7409 states. [2021-11-23 02:50:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7409 to 7405.