./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-smsc95xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/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_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/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-smsc95xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/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_83640f11-da40-40db-8227-d9fe72b061ab/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 0a0fd6bb20819f4c1984e3b3e8e83ec7b86578d28f1c3e6d8ae5f0c954457512 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:53:39,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:53:39,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:53:39,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:53:39,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:53:39,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:53:39,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:53:39,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:53:39,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:53:39,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:53:39,849 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:53:39,850 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:53:39,851 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:53:39,853 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:53:39,853 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:53:39,854 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:53:39,854 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:53:39,855 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:53:39,855 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:53:39,856 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:53:39,856 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:53:39,857 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:53:39,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:53:39,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:53:39,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:53:39,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:53:39,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:53:39,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:53:39,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:53:39,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:53:39,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:53:39,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:53:39,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:53:39,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:39,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:53:39,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:53:39,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:53:39,865 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:53:39,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:53:39,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:53:39,866 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:53:39,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:53:39,866 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_83640f11-da40-40db-8227-d9fe72b061ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a0fd6bb20819f4c1984e3b3e8e83ec7b86578d28f1c3e6d8ae5f0c954457512 [2023-11-19 04:53:40,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:53:40,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:53:40,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:53:40,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:53:40,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:53:40,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2023-11-19 04:53:43,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:53:43,986 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:53:43,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2023-11-19 04:53:44,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/data/5c5e75d54/d4eea07903934844923b9b605f11872e/FLAGedf548ea1 [2023-11-19 04:53:44,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/data/5c5e75d54/d4eea07903934844923b9b605f11872e [2023-11-19 04:53:44,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:53:44,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:53:44,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:44,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:53:44,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:53:44,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:44" (1/1) ... [2023-11-19 04:53:44,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496706d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:44, skipping insertion in model container [2023-11-19 04:53:44,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:44" (1/1) ... [2023-11-19 04:53:44,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:53:47,205 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348095,348108] [2023-11-19 04:53:47,209 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348264,348277] [2023-11-19 04:53:47,210 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348431,348444] [2023-11-19 04:53:47,210 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348599,348612] [2023-11-19 04:53:47,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:47,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:53:47,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [5513] [2023-11-19 04:53:47,433 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/smsc95xx.c"), "i" (84), "i" (12UL)); [5769-5770] [2023-11-19 04:53:47,435 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/smsc95xx.c"), "i" (111), "i" (12UL)); [5809-5810] [2023-11-19 04:53:47,456 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/smsc95xx.c"), "i" (344), "i" (12UL)); [6161-6162] [2023-11-19 04:53:47,457 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/smsc95xx.c"), "i" (345), "i" (12UL)); [6172-6173] [2023-11-19 04:53:47,460 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/smsc95xx.c"), "i" (382), "i" (12UL)); [6241-6242] [2023-11-19 04:53:47,461 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/smsc95xx.c"), "i" (383), "i" (12UL)); [6252-6253] [2023-11-19 04:53:47,658 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/smsc95xx.c"), "i" (1678), "i" (12UL)); [8606-8607] [2023-11-19 04:53:47,674 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/smsc95xx.c"), "i" (1827), "i" (12UL)); [8880-8881] [2023-11-19 04:53:47,742 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348095,348108] [2023-11-19 04:53:47,743 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348264,348277] [2023-11-19 04:53:47,743 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348431,348444] [2023-11-19 04:53:47,744 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_83640f11-da40-40db-8227-d9fe72b061ab/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348599,348612] [2023-11-19 04:53:47,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:48,046 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:53:48,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48 WrapperNode [2023-11-19 04:53:48,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:48,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:48,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:53:48,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:53:48,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,380 INFO L138 Inliner]: procedures = 391, calls = 3073, calls flagged for inlining = 180, calls inlined = 165, statements flattened = 7435 [2023-11-19 04:53:48,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:48,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:53:48,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:53:48,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:53:48,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:53:48,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:53:48,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:53:48,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:53:48,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (1/1) ... [2023-11-19 04:53:48,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:48,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:48,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:53:48,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83640f11-da40-40db-8227-d9fe72b061ab/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:53:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:53:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:53:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-11-19 04:53:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-11-19 04:53:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2023-11-19 04:53:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2023-11-19 04:53:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:53:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:53:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2023-11-19 04:53:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2023-11-19 04:53:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregslen [2023-11-19 04:53:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregslen [2023-11-19 04:53:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2023-11-19 04:53:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2023-11-19 04:53:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:53:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:53:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 04:53:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 04:53:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2023-11-19 04:53:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2023-11-19 04:53:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 04:53:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 04:53:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2023-11-19 04:53:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2023-11-19 04:53:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2023-11-19 04:53:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2023-11-19 04:53:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:53:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:53:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2023-11-19 04:53:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:53:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:53:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:53:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:53:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:53:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2023-11-19 04:53:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2023-11-19 04:53:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2023-11-19 04:53:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2023-11-19 04:53:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:53:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:53:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2023-11-19 04:53:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2023-11-19 04:53:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:53:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-19 04:53:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-19 04:53:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:53:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:53:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:53:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-19 04:53:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-19 04:53:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:53:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-19 04:53:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-19 04:53:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2023-11-19 04:53:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2023-11-19 04:53:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:53:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:53:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom_len [2023-11-19 04:53:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom_len [2023-11-19 04:53:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2023-11-19 04:53:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-19 04:53:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-19 04:53:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2023-11-19 04:53:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:53:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:53:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:53:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:53:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:53:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:53:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:53:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:53:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:53:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:53:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:53:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:53:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:53:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2023-11-19 04:53:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2023-11-19 04:53:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:53:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:53:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-19 04:53:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-19 04:53:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2023-11-19 04:53:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2023-11-19 04:53:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2023-11-19 04:53:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2023-11-19 04:53:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:53:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:53:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2023-11-19 04:53:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2023-11-19 04:53:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:53:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:53:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2023-11-19 04:53:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2023-11-19 04:53:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 04:53:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 04:53:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:53:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:53:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:53:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:53:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:53:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:53:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 04:53:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 04:53:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:53:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:53:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2023-11-19 04:53:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2023-11-19 04:53:49,071 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 04:53:49,072 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 04:53:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-19 04:53:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-19 04:53:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2023-11-19 04:53:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2023-11-19 04:53:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2023-11-19 04:53:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2023-11-19 04:53:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:53:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:53:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:53:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:53:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2023-11-19 04:53:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2023-11-19 04:53:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:53:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:53:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:53:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:53:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2023-11-19 04:53:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2023-11-19 04:53:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2023-11-19 04:53:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2023-11-19 04:53:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2023-11-19 04:53:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2023-11-19 04:53:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2023-11-19 04:53:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2023-11-19 04:53:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:53:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2023-11-19 04:53:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2023-11-19 04:53:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 04:53:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 04:53:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:53:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:53:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 04:53:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 04:53:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:53:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:53:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:53:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:53:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:53:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:53:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2023-11-19 04:53:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2023-11-19 04:53:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2023-11-19 04:53:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2023-11-19 04:53:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-19 04:53:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-19 04:53:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2023-11-19 04:53:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2023-11-19 04:53:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2023-11-19 04:53:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2023-11-19 04:53:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:53:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:53:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2023-11-19 04:53:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2023-11-19 04:53:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2023-11-19 04:53:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2023-11-19 04:53:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:53:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 04:53:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 04:53:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:53:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:53:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2023-11-19 04:53:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2023-11-19 04:53:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2023-11-19 04:53:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2023-11-19 04:53:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2023-11-19 04:53:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:53:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:53:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:53:49,917 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:53:49,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:50,092 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:53:58,972 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:53:59,204 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:03,299 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:03,300 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:54:03,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:03 BoogieIcfgContainer [2023-11-19 04:54:03,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:03,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:03,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:03,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:03,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:53:44" (1/3) ... [2023-11-19 04:54:03,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df11b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:03, skipping insertion in model container [2023-11-19 04:54:03,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:48" (2/3) ... [2023-11-19 04:54:03,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df11b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:03, skipping insertion in model container [2023-11-19 04:54:03,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:03" (3/3) ... [2023-11-19 04:54:03,330 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2023-11-19 04:54:03,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:03,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:54:03,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:54:03,468 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;@9b45a23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:54:03,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 04:54:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 1533 states, 971 states have (on average 1.37178166838311) internal successors, (1332), 977 states have internal predecessors, (1332), 480 states have call successors, (480), 80 states have call predecessors, (480), 79 states have return successors, (473), 473 states have call predecessors, (473), 473 states have call successors, (473) [2023-11-19 04:54:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-19 04:54:03,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:03,538 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 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] [2023-11-19 04:54:03,539 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 04:54:03,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1711068205, now seen corresponding path program 1 times [2023-11-19 04:54:03,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:03,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389845392] [2023-11-19 04:54:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2023-11-19 04:54:04,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:54:04,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389845392] [2023-11-19 04:54:04,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389845392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:04,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:04,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:54:04,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996806493] [2023-11-19 04:54:04,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:04,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:54:04,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:54:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:54:04,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:04,742 INFO L87 Difference]: Start difference. First operand has 1533 states, 971 states have (on average 1.37178166838311) internal successors, (1332), 977 states have internal predecessors, (1332), 480 states have call successors, (480), 80 states have call predecessors, (480), 79 states have return successors, (473), 473 states have call predecessors, (473), 473 states have call successors, (473) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-19 04:54:08,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:10,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:11,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:12,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:15,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:17,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:19,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:19,528 INFO L93 Difference]: Finished difference Result 4444 states and 6688 transitions. [2023-11-19 04:54:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:54:19,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 205 [2023-11-19 04:54:19,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:19,588 INFO L225 Difference]: With dead ends: 4444 [2023-11-19 04:54:19,588 INFO L226 Difference]: Without dead ends: 2937 [2023-11-19 04:54:19,607 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 04:54:19,611 INFO L413 NwaCegarLoop]: 1972 mSDtfsCounter, 2136 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:19,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 3898 Invalid, 659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 648 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2023-11-19 04:54:19,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2023-11-19 04:54:19,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 2933. [2023-11-19 04:54:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 1882 states have (on average 1.369287991498406) internal successors, (2577), 1893 states have internal predecessors, (2577), 894 states have call successors, (894), 155 states have call predecessors, (894), 154 states have return successors, (890), 890 states have call predecessors, (890), 890 states have call successors, (890) [2023-11-19 04:54:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 4361 transitions. [2023-11-19 04:54:19,968 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 4361 transitions. Word has length 205 [2023-11-19 04:54:19,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:19,972 INFO L495 AbstractCegarLoop]: Abstraction has 2933 states and 4361 transitions. [2023-11-19 04:54:19,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-19 04:54:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 4361 transitions. [2023-11-19 04:54:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-19 04:54:19,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:19,984 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:19,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:54:19,985 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 04:54:19,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:19,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1837317805, now seen corresponding path program 1 times [2023-11-19 04:54:19,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:19,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368591887] [2023-11-19 04:54:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:19,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-11-19 04:54:20,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:54:20,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368591887] [2023-11-19 04:54:20,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368591887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:20,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:20,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:54:20,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068638903] [2023-11-19 04:54:20,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:20,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:54:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:54:20,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:54:20,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:20,438 INFO L87 Difference]: Start difference. First operand 2933 states and 4361 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-19 04:54:23,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:25,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:27,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:29,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:32,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:34,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []