./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_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.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_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:21,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:22,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:59:22,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:22,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:22,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:22,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:22,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:22,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:22,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:22,185 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:22,186 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:22,187 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:22,188 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:22,189 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:22,189 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:22,190 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:22,190 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:22,191 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:22,192 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:22,192 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:22,193 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:22,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:22,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:22,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:22,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:22,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:22,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:22,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:22,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:22,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:22,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:22,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:22,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:22,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:22,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:22,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:22,202 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:22,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:22,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:22,203 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:22,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:22,203 INFO L153 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 [2023-11-19 04:59:22,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:22,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:22,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:22,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:22,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:22,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/../../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 04:59:25,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:26,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:26,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:26,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/data/9777b1d8a/9e7e50cc436b4d6eba7efcd03f06590c/FLAG475c703c0 [2023-11-19 04:59:26,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/data/9777b1d8a/9e7e50cc436b4d6eba7efcd03f06590c [2023-11-19 04:59:26,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:26,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:26,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:26,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:26,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:26,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:26" (1/1) ... [2023-11-19 04:59:26,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ad3650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:26, skipping insertion in model container [2023-11-19 04:59:26,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:26" (1/1) ... [2023-11-19 04:59:26,891 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:29,892 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:29,898 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:29,899 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:29,900 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:29,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:29,985 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:30,142 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 04:59:30,146 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 04:59:30,164 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 04:59:30,165 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 04:59:30,167 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 04:59:30,168 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 04:59:30,458 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:30,459 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:30,459 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:30,460 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_9a1afb4e-e46d-4efc-8c44-18154b34682e/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 04:59:30,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:30,732 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:30,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30 WrapperNode [2023-11-19 04:59:30,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:30,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:30,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:30,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:30,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:30,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,122 INFO L138 Inliner]: procedures = 390, calls = 3987, calls flagged for inlining = 181, calls inlined = 164, statements flattened = 9127 [2023-11-19 04:59:31,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:31,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:31,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:31,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:31,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:31,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:31,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:31,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:31,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (1/1) ... [2023-11-19 04:59:31,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:31,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:31,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:31,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1afb4e-e46d-4efc-8c44-18154b34682e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2023-11-19 04:59:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2023-11-19 04:59:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:59:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:59:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-11-19 04:59:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-11-19 04:59:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:59:31,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:59:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2023-11-19 04:59:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2023-11-19 04:59:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:59:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:59:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 04:59:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 04:59:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-19 04:59:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-19 04:59:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2023-11-19 04:59:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2023-11-19 04:59:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2023-11-19 04:59:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2023-11-19 04:59:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2023-11-19 04:59:31,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2023-11-19 04:59:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 04:59:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 04:59:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:59:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:59:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2023-11-19 04:59:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:59:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:59:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2023-11-19 04:59:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2023-11-19 04:59:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:59:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:59:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:59:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:59:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:59:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2023-11-19 04:59:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2023-11-19 04:59:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:59:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:59:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:59:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-19 04:59:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-19 04:59:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:59:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:59:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:59:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-19 04:59:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-19 04:59:31,655 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2023-11-19 04:59:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2023-11-19 04:59:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:59:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:59:31,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:59:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2023-11-19 04:59:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2023-11-19 04:59:31,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2023-11-19 04:59:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-19 04:59:31,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-19 04:59:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2023-11-19 04:59:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2023-11-19 04:59:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2023-11-19 04:59:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:59:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:59:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:59:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:59:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:59:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:59:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:59:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:59:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:59:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:59:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:59:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:59:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:59:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:59:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-19 04:59:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-19 04:59:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2023-11-19 04:59:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2023-11-19 04:59:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2023-11-19 04:59:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2023-11-19 04:59:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:59:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:59:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2023-11-19 04:59:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2023-11-19 04:59:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 04:59:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 04:59:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:59:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:59:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-19 04:59:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-19 04:59:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:59:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:59:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:59:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:59:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-19 04:59:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-19 04:59:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 04:59:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 04:59:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:59:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:59:31,670 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 04:59:31,670 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 04:59:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2023-11-19 04:59:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2023-11-19 04:59:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-19 04:59:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-19 04:59:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:59:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:59:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2023-11-19 04:59:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2023-11-19 04:59:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2023-11-19 04:59:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2023-11-19 04:59:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:59:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:59:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:59:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:59:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:59:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 04:59:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 04:59:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 04:59:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 04:59:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:59:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:59:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2023-11-19 04:59:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2023-11-19 04:59:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:59:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:59:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:59:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:59:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2023-11-19 04:59:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2023-11-19 04:59:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-19 04:59:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-19 04:59:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2023-11-19 04:59:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2023-11-19 04:59:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2023-11-19 04:59:31,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2023-11-19 04:59:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2023-11-19 04:59:31,684 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2023-11-19 04:59:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:59:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 04:59:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 04:59:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2023-11-19 04:59:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2023-11-19 04:59:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:59:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:59:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2023-11-19 04:59:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2023-11-19 04:59:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2023-11-19 04:59:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2023-11-19 04:59:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2023-11-19 04:59:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2023-11-19 04:59:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2023-11-19 04:59:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-19 04:59:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-19 04:59:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:59:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:59:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2023-11-19 04:59:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2023-11-19 04:59:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2023-11-19 04:59:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2023-11-19 04:59:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2023-11-19 04:59:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2023-11-19 04:59:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-19 04:59:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-19 04:59:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:59:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:59:32,576 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:32,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:33,421 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:59:40,161 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:59:45,155 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:48,911 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:48,911 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:59:48,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:48 BoogieIcfgContainer [2023-11-19 04:59:48,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:48,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:48,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:48,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:48,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:26" (1/3) ... [2023-11-19 04:59:48,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70758686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:48, skipping insertion in model container [2023-11-19 04:59:48,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:30" (2/3) ... [2023-11-19 04:59:48,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70758686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:48, skipping insertion in model container [2023-11-19 04:59:48,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:48" (3/3) ... [2023-11-19 04:59:48,967 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-19 04:59:49,063 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:49,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:59:49,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:49,224 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=FINITE_AUTOMATA, 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;@2394d1c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:49,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 04:59:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 1829 states, 1145 states have (on average 1.3545851528384278) internal successors, (1551), 1148 states have internal predecessors, (1551), 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 04:59:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-19 04:59:49,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:49,271 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:49,272 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 04:59:49,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1838983164, now seen corresponding path program 1 times [2023-11-19 04:59:49,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:49,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492211320] [2023-11-19 04:59:49,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:49,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2023-11-19 04:59:50,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:50,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492211320] [2023-11-19 04:59:50,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492211320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:50,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:50,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:59:50,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652327211] [2023-11-19 04:59:50,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:50,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:50,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:50,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:50,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:50,606 INFO L87 Difference]: Start difference. First operand has 1829 states, 1145 states have (on average 1.3545851528384278) internal successors, (1551), 1148 states have internal predecessors, (1551), 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 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 04:59:53,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:53,467 INFO L93 Difference]: Finished difference Result 5336 states and 8095 transitions. [2023-11-19 04:59:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:53,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 195 [2023-11-19 04:59:53,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:53,530 INFO L225 Difference]: With dead ends: 5336 [2023-11-19 04:59:53,530 INFO L226 Difference]: Without dead ends: 3531 [2023-11-19 04:59:53,554 INFO L412 NwaCegarLoop]: 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 [2023-11-19 04:59:53,558 INFO L413 NwaCegarLoop]: 2457 mSDtfsCounter, 2610 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 4868 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:53,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 4868 Invalid, 631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-19 04:59:53,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2023-11-19 04:59:54,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3527. [2023-11-19 04:59:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3527 states, 2231 states have (on average 1.3518601523980278) internal successors, (3016), 2236 states have internal predecessors, (3016), 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 04:59:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 5306 transitions. [2023-11-19 04:59:54,058 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 5306 transitions. Word has length 195 [2023-11-19 04:59:54,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:54,060 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 5306 transitions. [2023-11-19 04:59:54,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 04:59:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 5306 transitions. [2023-11-19 04:59:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-19 04:59:54,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:54,076 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 04:59:54,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:59:54,077 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 04:59:54,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:54,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1048257111, now seen corresponding path program 1 times [2023-11-19 04:59:54,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:54,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951734121] [2023-11-19 04:59:54,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:54,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-19 04:59:54,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:54,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951734121] [2023-11-19 04:59:54,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951734121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:54,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:54,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:59:54,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810232331] [2023-11-19 04:59:54,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:54,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:54,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:54,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:54,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:54,583 INFO L87 Difference]: Start difference. First operand 3527 states and 5306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 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 04:59:57,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:57,574 INFO L93 Difference]: Finished difference Result 8525 states and 12783 transitions. [2023-11-19 04:59:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:57,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2023-11-19 04:59:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:57,625 INFO L225 Difference]: With dead ends: 8525 [2023-11-19 04:59:57,625 INFO L226 Difference]: Without dead ends: 5033 [2023-11-19 04:59:57,645 INFO L412 NwaCegarLoop]: 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 [2023-11-19 04:59:57,647 INFO L413 NwaCegarLoop]: 2571 mSDtfsCounter, 2431 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:57,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 4960 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-19 04:59:57,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5033 states. [2023-11-19 04:59:58,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5033 to 5006. [2023-11-19 04:59:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5006 states, 3146 states have (on average 1.3382072472981563) internal successors, (4210), 3156 states have internal predecessors, (4210), 1639 states have call successors, (1639), 219 states have call predecessors, (1639), 218 states have return successors, (1635), 1630 states have call predecessors, (1635), 1635 states have call successors, (1635) [2023-11-19 04:59:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5006 states to 5006 states and 7484 transitions. [2023-11-19 04:59:58,100 INFO L78 Accepts]: Start accepts. Automaton has 5006 states and 7484 transitions. Word has length 203 [2023-11-19 04:59:58,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:58,104 INFO L495 AbstractCegarLoop]: Abstraction has 5006 states and 7484 transitions. [2023-11-19 04:59:58,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 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 04:59:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 5006 states and 7484 transitions. [2023-11-19 04:59:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-19 04:59:58,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:58,113 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:58,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:59:58,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 04:59:58,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:58,114 INFO L85 PathProgramCache]: Analyzing trace with hash -82458208, now seen corresponding path program 1 times [2023-11-19 04:59:58,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:58,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547955579] [2023-11-19 04:59:58,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:58,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1271 trivial. 0 not checked. [2023-11-19 04:59:59,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:59,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547955579] [2023-11-19 04:59:59,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547955579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:59,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:59,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:59:59,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666893842] [2023-11-19 04:59:59,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:59,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:59:59,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:59,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:59:59,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:59:59,186 INFO L87 Difference]: Start difference. First operand 5006 states and 7484 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:00:00,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:00:03,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:03,078 INFO L93 Difference]: Finished difference Result 5012 states and 7489 transitions. [2023-11-19 05:00:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:00:03,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 239 [2023-11-19 05:00:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:03,125 INFO L225 Difference]: With dead ends: 5012 [2023-11-19 05:00:03,126 INFO L226 Difference]: Without dead ends: 5010 [2023-11-19 05:00:03,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:00:03,132 INFO L413 NwaCegarLoop]: 2426 mSDtfsCounter, 2662 mSDsluCounter, 4838 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 7264 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:03,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 7264 Invalid, 918 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-19 05:00:03,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2023-11-19 05:00:03,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 5010. [2023-11-19 05:00:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5010 states, 3149 states have (on average 1.3378850428707527) internal successors, (4213), 3159 states have internal predecessors, (4213), 1639 states have call successors, (1639), 220 states have call predecessors, (1639), 219 states have return successors, (1635), 1630 states have call predecessors, (1635), 1635 states have call successors, (1635) [2023-11-19 05:00:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 7487 transitions. [2023-11-19 05:00:03,665 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 7487 transitions. Word has length 239 [2023-11-19 05:00:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:03,670 INFO L495 AbstractCegarLoop]: Abstraction has 5010 states and 7487 transitions. [2023-11-19 05:00:03,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:00:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 7487 transitions. [2023-11-19 05:00:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-19 05:00:03,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:03,777 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:03,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:00:03,778 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 05:00:03,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:03,778 INFO L85 PathProgramCache]: Analyzing trace with hash -636564792, now seen corresponding path program 1 times [2023-11-19 05:00:03,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:00:03,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951141867] [2023-11-19 05:00:03,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:03,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:00:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2023-11-19 05:00:04,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:00:04,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951141867] [2023-11-19 05:00:04,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951141867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:04,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:04,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:00:04,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269744550] [2023-11-19 05:00:04,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:04,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:00:04,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:00:04,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:00:04,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:00:04,706 INFO L87 Difference]: Start difference. First operand 5010 states and 7487 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:00:07,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []