./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.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_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/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_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/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_9bd15dcb-5b0d-4462-b909-77d2a34451d9/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 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:06,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:06,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:20:06,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:06,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:06,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:06,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:06,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:06,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:06,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:06,958 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:06,958 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:06,959 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:06,961 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:20:06,962 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:06,962 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:06,963 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:20:06,963 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:20:06,964 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:06,964 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:20:06,965 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:20:06,966 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:20:06,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:06,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:06,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:20:06,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:06,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:06,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:06,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:06,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:06,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:06,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:06,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:06,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:06,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:06,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:06,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:06,975 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:20:06,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:20:06,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:06,976 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:06,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:06,977 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_9bd15dcb-5b0d-4462-b909-77d2a34451d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 [2023-11-19 05:20:07,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:07,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:07,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:07,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:07,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:07,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-19 05:20:11,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:11,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:11,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-19 05:20:12,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/data/288fc514a/4e221286e8be4bbeaa40221124a458f6/FLAGd349a93d7 [2023-11-19 05:20:12,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/data/288fc514a/4e221286e8be4bbeaa40221124a458f6 [2023-11-19 05:20:12,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:12,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:12,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:12,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:12,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:12,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175ab59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12, skipping insertion in model container [2023-11-19 05:20:12,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:16,401 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_9bd15dcb-5b0d-4462-b909-77d2a34451d9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2023-11-19 05:20:16,705 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:20:16,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:16,839 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:16,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3930] [2023-11-19 05:20:16,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3937] [2023-11-19 05:20:16,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3951-3952] [2023-11-19 05:20:16,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3960] [2023-11-19 05:20:16,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4299] [2023-11-19 05:20:16,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4306] [2023-11-19 05:20:17,188 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (1921), "i" (12UL)); [6562-6563] [2023-11-19 05:20:17,215 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (2133), "i" (12UL)); [6814-6815] [2023-11-19 05:20:17,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7139] [2023-11-19 05:20:17,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7185] [2023-11-19 05:20:17,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7737] [2023-11-19 05:20:17,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7813] [2023-11-19 05:20:17,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7933] [2023-11-19 05:20:17,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8452] [2023-11-19 05:20:17,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8537] [2023-11-19 05:20:17,440 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (4035), "i" (12UL)); [8848-8849] [2023-11-19 05:20:17,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9481] [2023-11-19 05:20:17,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9856] [2023-11-19 05:20:17,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9887] [2023-11-19 05:20:17,577 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (5180), "i" (12UL)); [10271-10272] [2023-11-19 05:20:17,668 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_9bd15dcb-5b0d-4462-b909-77d2a34451d9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2023-11-19 05:20:17,689 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:20:17,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:17,869 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:20:17,878 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:17,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17 WrapperNode [2023-11-19 05:20:17,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:17,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:17,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:17,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:17,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:18,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:18,593 INFO L138 Inliner]: procedures = 381, calls = 4908, calls flagged for inlining = 150, calls inlined = 146, statements flattened = 13305 [2023-11-19 05:20:18,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:18,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:18,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:18,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:18,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:18,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:18,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:18,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:19,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:19,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:19,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:19,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:19,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:19,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:19,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:19,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:19,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (1/1) ... [2023-11-19 05:20:19,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:19,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:19,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:19,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd15dcb-5b0d-4462-b909-77d2a34451d9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2023-11-19 05:20:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2023-11-19 05:20:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2023-11-19 05:20:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2023-11-19 05:20:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-19 05:20:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-19 05:20:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-19 05:20:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-19 05:20:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-19 05:20:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-19 05:20:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2023-11-19 05:20:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2023-11-19 05:20:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:20:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:20:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:20:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:20:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2023-11-19 05:20:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2023-11-19 05:20:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2023-11-19 05:20:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2023-11-19 05:20:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-11-19 05:20:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-11-19 05:20:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2023-11-19 05:20:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2023-11-19 05:20:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-19 05:20:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-19 05:20:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:20:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:20:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-19 05:20:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-19 05:20:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-19 05:20:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-19 05:20:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2023-11-19 05:20:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2023-11-19 05:20:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2023-11-19 05:20:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2023-11-19 05:20:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:20:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:20:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:20:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:20:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2023-11-19 05:20:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2023-11-19 05:20:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-19 05:20:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-19 05:20:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2023-11-19 05:20:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2023-11-19 05:20:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-19 05:20:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-19 05:20:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2023-11-19 05:20:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2023-11-19 05:20:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:20:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:20:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:20:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:20:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2023-11-19 05:20:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2023-11-19 05:20:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2023-11-19 05:20:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2023-11-19 05:20:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2023-11-19 05:20:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2023-11-19 05:20:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-19 05:20:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-19 05:20:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-19 05:20:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-19 05:20:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 05:20:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 05:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2023-11-19 05:20:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2023-11-19 05:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:20:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:20:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-19 05:20:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-19 05:20:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2023-11-19 05:20:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2023-11-19 05:20:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2023-11-19 05:20:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2023-11-19 05:20:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2023-11-19 05:20:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2023-11-19 05:20:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2023-11-19 05:20:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2023-11-19 05:20:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 05:20:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 05:20:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2023-11-19 05:20:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2023-11-19 05:20:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:20:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:20:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2023-11-19 05:20:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2023-11-19 05:20:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2023-11-19 05:20:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2023-11-19 05:20:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-19 05:20:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-19 05:20:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:20:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:20:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-19 05:20:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-19 05:20:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-11-19 05:20:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-11-19 05:20:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 05:20:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 05:20:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-19 05:20:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-19 05:20:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:20:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:20:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2023-11-19 05:20:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2023-11-19 05:20:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:20:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:20:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-19 05:20:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-19 05:20:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2023-11-19 05:20:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2023-11-19 05:20:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-19 05:20:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-19 05:20:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:20:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:20:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2023-11-19 05:20:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2023-11-19 05:20:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-19 05:20:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-19 05:20:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:20:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:20:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2023-11-19 05:20:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2023-11-19 05:20:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2023-11-19 05:20:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2023-11-19 05:20:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-19 05:20:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-19 05:20:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2023-11-19 05:20:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2023-11-19 05:20:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-19 05:20:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-19 05:20:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:20:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:20:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 05:20:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 05:20:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2023-11-19 05:20:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2023-11-19 05:20:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-19 05:20:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-19 05:20:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:20:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:20:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:20:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:20:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 05:20:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 05:20:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-19 05:20:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-19 05:20:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2023-11-19 05:20:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2023-11-19 05:20:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2023-11-19 05:20:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2023-11-19 05:20:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 05:20:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 05:20:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2023-11-19 05:20:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2023-11-19 05:20:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-19 05:20:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-19 05:20:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2023-11-19 05:20:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2023-11-19 05:20:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2023-11-19 05:20:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2023-11-19 05:20:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2023-11-19 05:20:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2023-11-19 05:20:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 05:20:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 05:20:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2023-11-19 05:20:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2023-11-19 05:20:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 05:20:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 05:20:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2023-11-19 05:20:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2023-11-19 05:20:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 05:20:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 05:20:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2023-11-19 05:20:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2023-11-19 05:20:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2023-11-19 05:20:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2023-11-19 05:20:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2023-11-19 05:20:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2023-11-19 05:20:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 05:20:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 05:20:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:20:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2023-11-19 05:20:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2023-11-19 05:20:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_debug_buffer [2023-11-19 05:20:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_debug_buffer [2023-11-19 05:20:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-19 05:20:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-19 05:20:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2023-11-19 05:20:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2023-11-19 05:20:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-19 05:20:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-19 05:20:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-19 05:20:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-19 05:20:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:20:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:20:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2023-11-19 05:20:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2023-11-19 05:20:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-19 05:20:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-19 05:20:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:20:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:20:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2023-11-19 05:20:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2023-11-19 05:20:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-19 05:20:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-19 05:20:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 05:20:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 05:20:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:20:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 05:20:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 05:20:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2023-11-19 05:20:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2023-11-19 05:20:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2023-11-19 05:20:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2023-11-19 05:20:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 05:20:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 05:20:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:20:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:20:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2023-11-19 05:20:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2023-11-19 05:20:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:20:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:20:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:20:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2023-11-19 05:20:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2023-11-19 05:20:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:20:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:20:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 05:20:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 05:20:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-19 05:20:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-19 05:20:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2023-11-19 05:20:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2023-11-19 05:20:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-19 05:20:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-19 05:20:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:20:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2023-11-19 05:20:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2023-11-19 05:20:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2023-11-19 05:20:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2023-11-19 05:20:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-19 05:20:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-19 05:20:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 05:20:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 05:20:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:20:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:20:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-19 05:20:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-19 05:20:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2023-11-19 05:20:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2023-11-19 05:20:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2023-11-19 05:20:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2023-11-19 05:20:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-19 05:20:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-19 05:20:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-19 05:20:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-19 05:20:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:20:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:20:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2023-11-19 05:20:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2023-11-19 05:20:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 05:20:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 05:20:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-19 05:20:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-19 05:20:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-19 05:20:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-19 05:20:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-19 05:20:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-19 05:20:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-19 05:20:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-19 05:20:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-19 05:20:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-19 05:20:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:20:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:20:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2023-11-19 05:20:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2023-11-19 05:20:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-19 05:20:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-19 05:20:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 05:20:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 05:20:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-19 05:20:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-19 05:20:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 05:20:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 05:20:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 05:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 05:20:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 05:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 05:20:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:20:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-19 05:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-19 05:20:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 05:20:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 05:20:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:20:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2023-11-19 05:20:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2023-11-19 05:20:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2023-11-19 05:20:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2023-11-19 05:20:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2023-11-19 05:20:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2023-11-19 05:20:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-19 05:20:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-19 05:20:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:20:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:20:21,229 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:21,235 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:22,144 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:20:37,077 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_16_returnLabel#1: havoc ldv_platform_driver_unregister_16_~ldv_func_arg1#1.base, ldv_platform_driver_unregister_16_~ldv_func_arg1#1.offset;havoc ldv_platform_driver_unregister_16_#in~ldv_func_arg1#1.base, ldv_platform_driver_unregister_16_#in~ldv_func_arg1#1.offset;assume { :end_inline_ldv_platform_driver_unregister_16 } true; [2023-11-19 05:20:37,672 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:47,016 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:47,016 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:20:47,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:47 BoogieIcfgContainer [2023-11-19 05:20:47,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:47,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:47,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:47,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:47,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:12" (1/3) ... [2023-11-19 05:20:47,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ea4213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:47, skipping insertion in model container [2023-11-19 05:20:47,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:17" (2/3) ... [2023-11-19 05:20:47,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ea4213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:47, skipping insertion in model container [2023-11-19 05:20:47,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:47" (3/3) ... [2023-11-19 05:20:47,061 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-19 05:20:47,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:47,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:47,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:47,280 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;@1dbca2a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:47,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 3208 states, 1978 states have (on average 1.3220424671385238) internal successors, (2615), 2064 states have internal predecessors, (2615), 1079 states have call successors, (1079), 150 states have call predecessors, (1079), 149 states have return successors, (1071), 1055 states have call predecessors, (1071), 1071 states have call successors, (1071) [2023-11-19 05:20:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-19 05:20:47,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:47,365 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:47,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:47,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:47,376 INFO L85 PathProgramCache]: Analyzing trace with hash -88852103, now seen corresponding path program 1 times [2023-11-19 05:20:47,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:47,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527331027] [2023-11-19 05:20:47,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:47,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2023-11-19 05:20:49,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:20:49,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527331027] [2023-11-19 05:20:49,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527331027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:49,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:49,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:20:49,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351255752] [2023-11-19 05:20:49,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:49,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:20:49,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:20:49,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:20:49,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:20:49,529 INFO L87 Difference]: Start difference. First operand has 3208 states, 1978 states have (on average 1.3220424671385238) internal successors, (2615), 2064 states have internal predecessors, (2615), 1079 states have call successors, (1079), 150 states have call predecessors, (1079), 149 states have return successors, (1071), 1055 states have call predecessors, (1071), 1071 states have call successors, (1071) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)