./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:09,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:09,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:36:09,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:09,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:09,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:09,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:09,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:09,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:09,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:09,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:09,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:09,433 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:09,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:09,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:09,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:09,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:09,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:09,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:09,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:09,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:09,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:09,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:09,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:09,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:09,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:09,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:09,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:09,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:09,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:09,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:09,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:09,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:09,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:09,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:09,447 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:09,448 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 [2023-11-19 07:36:09,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:09,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:09,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:09,777 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:09,778 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:09,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-19 07:36:13,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:13,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:13,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-19 07:36:13,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/data/fa4c746db/5b2e4f171243401b9f61b32ca1c9a37f/FLAG78e26a3e3 [2023-11-19 07:36:14,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/data/fa4c746db/5b2e4f171243401b9f61b32ca1c9a37f [2023-11-19 07:36:14,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:14,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:14,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:14,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:14,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:14,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:14" (1/1) ... [2023-11-19 07:36:14,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22681e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:14, skipping insertion in model container [2023-11-19 07:36:14,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:14" (1/1) ... [2023-11-19 07:36:14,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:17,729 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2023-11-19 07:36:17,734 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2023-11-19 07:36:17,734 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2023-11-19 07:36:17,735 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2023-11-19 07:36:17,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:17,818 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:18,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (91), "i" (12UL)); [5786-5787] [2023-11-19 07:36:18,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (118), "i" (12UL)); [5826-5827] [2023-11-19 07:36:18,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (355), "i" (12UL)); [6178-6179] [2023-11-19 07:36:18,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (356), "i" (12UL)); [6189-6190] [2023-11-19 07:36:18,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (393), "i" (12UL)); [6258-6259] [2023-11-19 07:36:18,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (394), "i" (12UL)); [6269-6270] [2023-11-19 07:36:18,313 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2023-11-19 07:36:18,314 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2023-11-19 07:36:18,314 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2023-11-19 07:36:18,315 WARN L240 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_b766c900-1b49-418f-9eaf-c70c66273a1f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2023-11-19 07:36:18,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:18,618 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:18,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18 WrapperNode [2023-11-19 07:36:18,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:18,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:18,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:18,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:18,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:18,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,031 INFO L138 Inliner]: procedures = 390, calls = 3987, calls flagged for inlining = 181, calls inlined = 164, statements flattened = 9127 [2023-11-19 07:36:19,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:19,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:19,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:19,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:19,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:19,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:19,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:19,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:19,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (1/1) ... [2023-11-19 07:36:19,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:19,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:19,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:19,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b766c900-1b49-418f-9eaf-c70c66273a1f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2023-11-19 07:36:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2023-11-19 07:36:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:36:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:36:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-11-19 07:36:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-11-19 07:36:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:36:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:36:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2023-11-19 07:36:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2023-11-19 07:36:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:36:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:36:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 07:36:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 07:36:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-19 07:36:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-19 07:36:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2023-11-19 07:36:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2023-11-19 07:36:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2023-11-19 07:36:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2023-11-19 07:36:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2023-11-19 07:36:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2023-11-19 07:36:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 07:36:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 07:36:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:36:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:36:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2023-11-19 07:36:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 07:36:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 07:36:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2023-11-19 07:36:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2023-11-19 07:36:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:36:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:36:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:36:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:36:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:36:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2023-11-19 07:36:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2023-11-19 07:36:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 07:36:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 07:36:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:36:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-19 07:36:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-19 07:36:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:36:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:36:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:36:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-19 07:36:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-19 07:36:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2023-11-19 07:36:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2023-11-19 07:36:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:36:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:36:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:36:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2023-11-19 07:36:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2023-11-19 07:36:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2023-11-19 07:36:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-19 07:36:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-19 07:36:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2023-11-19 07:36:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2023-11-19 07:36:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2023-11-19 07:36:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:36:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:36:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:36:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 07:36:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 07:36:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:36:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:36:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:36:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:36:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:36:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:36:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:36:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:36:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:36:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-19 07:36:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-19 07:36:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2023-11-19 07:36:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2023-11-19 07:36:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2023-11-19 07:36:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2023-11-19 07:36:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 07:36:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 07:36:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2023-11-19 07:36:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2023-11-19 07:36:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 07:36:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 07:36:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:36:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:36:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-19 07:36:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-19 07:36:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:36:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:36:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:36:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:36:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-19 07:36:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-19 07:36:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 07:36:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 07:36:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:36:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:36:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-11-19 07:36:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-11-19 07:36:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2023-11-19 07:36:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2023-11-19 07:36:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-19 07:36:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-19 07:36:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:36:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:36:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2023-11-19 07:36:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2023-11-19 07:36:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2023-11-19 07:36:19,768 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2023-11-19 07:36:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:36:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:36:19,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:36:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:36:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:36:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 07:36:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 07:36:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:36:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:36:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:36:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:36:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2023-11-19 07:36:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2023-11-19 07:36:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:36:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:36:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:36:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:36:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2023-11-19 07:36:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2023-11-19 07:36:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-19 07:36:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-19 07:36:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2023-11-19 07:36:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2023-11-19 07:36:19,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2023-11-19 07:36:19,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2023-11-19 07:36:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2023-11-19 07:36:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2023-11-19 07:36:19,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:36:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 07:36:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 07:36:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2023-11-19 07:36:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2023-11-19 07:36:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:36:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:36:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2023-11-19 07:36:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2023-11-19 07:36:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2023-11-19 07:36:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2023-11-19 07:36:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2023-11-19 07:36:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2023-11-19 07:36:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2023-11-19 07:36:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-19 07:36:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-19 07:36:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:36:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:36:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2023-11-19 07:36:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2023-11-19 07:36:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2023-11-19 07:36:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2023-11-19 07:36:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2023-11-19 07:36:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2023-11-19 07:36:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-19 07:36:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-19 07:36:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:36:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:36:20,829 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:20,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:21,851 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:36:28,703 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:36:33,596 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:33,620 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:33,620 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:36:33,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:33 BoogieIcfgContainer [2023-11-19 07:36:33,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:33,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:33,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:33,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:33,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:14" (1/3) ... [2023-11-19 07:36:33,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@628d75a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:33, skipping insertion in model container [2023-11-19 07:36:33,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:18" (2/3) ... [2023-11-19 07:36:33,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@628d75a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:33, skipping insertion in model container [2023-11-19 07:36:33,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:33" (3/3) ... [2023-11-19 07:36:33,645 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-19 07:36:33,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:33,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 07:36:33,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:33,763 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=LoopHeads, 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;@50233c5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:33,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 07:36:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 2495 states, 1811 states have (on average 1.4003313086692435) internal successors, (2536), 1814 states have internal predecessors, (2536), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) [2023-11-19 07:36:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-19 07:36:33,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:33,806 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:33,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:36:33,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:33,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1844331838, now seen corresponding path program 1 times [2023-11-19 07:36:33,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:33,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848656105] [2023-11-19 07:36:33,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:33,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:36:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:36:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:36:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:36:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:36:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:36:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:36:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:36:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:36:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:36:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:36:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:36:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:36:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:36:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:36:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:36:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:36:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-19 07:36:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-19 07:36:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:35,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2023-11-19 07:36:35,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:35,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848656105] [2023-11-19 07:36:35,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848656105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:35,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:35,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:36:35,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364300260] [2023-11-19 07:36:35,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:35,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:36:35,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:35,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:36:35,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:36:35,804 INFO L87 Difference]: Start difference. First operand has 2495 states, 1811 states have (on average 1.4003313086692435) internal successors, (2536), 1814 states have internal predecessors, (2536), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:36:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:52,643 INFO L93 Difference]: Finished difference Result 7329 states and 11406 transitions. [2023-11-19 07:36:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:36:52,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2023-11-19 07:36:52,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:52,719 INFO L225 Difference]: With dead ends: 7329 [2023-11-19 07:36:52,719 INFO L226 Difference]: Without dead ends: 4862 [2023-11-19 07:36:52,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:36:52,755 INFO L413 NwaCegarLoop]: 3350 mSDtfsCounter, 3756 mSDsluCounter, 5139 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4130 SdHoareTripleChecker+Valid, 8489 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:52,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4130 Valid, 8489 Invalid, 2835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1211 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2023-11-19 07:36:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2023-11-19 07:36:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4830. [2023-11-19 07:36:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4830 states, 3534 states have (on average 1.3749292586304471) internal successors, (4859), 3539 states have internal predecessors, (4859), 1147 states have call successors, (1147), 147 states have call predecessors, (1147), 146 states have return successors, (1143), 1143 states have call predecessors, (1143), 1143 states have call successors, (1143) [2023-11-19 07:36:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 7149 transitions. [2023-11-19 07:36:53,330 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 7149 transitions. Word has length 217 [2023-11-19 07:36:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:53,332 INFO L495 AbstractCegarLoop]: Abstraction has 4830 states and 7149 transitions. [2023-11-19 07:36:53,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:36:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 7149 transitions. [2023-11-19 07:36:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-19 07:36:53,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:53,341 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:53,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:36:53,341 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:36:53,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:53,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1052944962, now seen corresponding path program 1 times [2023-11-19 07:36:53,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:53,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032536383] [2023-11-19 07:36:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:53,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:36:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:36:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:36:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:36:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:36:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:36:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:36:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:36:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:36:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:36:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:36:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:36:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:36:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:36:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:36:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:36:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:36:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-19 07:36:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-19 07:36:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2023-11-19 07:36:54,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:54,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032536383] [2023-11-19 07:36:54,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032536383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:54,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:54,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:36:54,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650346025] [2023-11-19 07:36:54,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:54,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:36:54,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:54,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:36:54,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:36:54,233 INFO L87 Difference]: Start difference. First operand 4830 states and 7149 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:36:55,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:56,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []