./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/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_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:16:42,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:42,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:16:42,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:42,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:42,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:42,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:42,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:42,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:42,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:42,570 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:42,571 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:42,571 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:42,573 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:16:42,574 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:42,574 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:42,575 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:16:42,575 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:16:42,576 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:42,576 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:16:42,577 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:16:42,578 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:16:42,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:42,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:42,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:16:42,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:42,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:42,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:42,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:42,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:42,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:42,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:42,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:42,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:42,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:42,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:42,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:42,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:42,586 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:16:42,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:16:42,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:42,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:42,587 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:42,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:42,588 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_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 [2023-11-23 21:16:42,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:42,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:42,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:42,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:42,974 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:42,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 21:16:46,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:46,888 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:46,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/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 [2023-11-23 21:16:46,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/data/36eb70369/ec22bb1ba6324b91928f3284ea1d52c7/FLAG33237567e [2023-11-23 21:16:46,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/data/36eb70369/ec22bb1ba6324b91928f3284ea1d52c7 [2023-11-23 21:16:46,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:46,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:46,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:46,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:46,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:46,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:46" (1/1) ... [2023-11-23 21:16:46,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fb66e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:46, skipping insertion in model container [2023-11-23 21:16:46,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:46" (1/1) ... [2023-11-23 21:16:47,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:50,303 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_78d612d0-8188-48ec-b339-60018b4d7641/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] [2023-11-23 21:16:50,564 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:16:50,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:50,599 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:50,683 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] [2023-11-23 21:16:50,685 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] [2023-11-23 21:16:50,686 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] [2023-11-23 21:16:50,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3960] [2023-11-23 21:16:50,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4299] [2023-11-23 21:16:50,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4306] [2023-11-23 21:16:50,828 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] [2023-11-23 21:16:50,903 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] [2023-11-23 21:16:50,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7139] [2023-11-23 21:16:50,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7185] [2023-11-23 21:16:50,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7737] [2023-11-23 21:16:50,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7813] [2023-11-23 21:16:50,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7933] [2023-11-23 21:16:51,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8452] [2023-11-23 21:16:51,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8537] [2023-11-23 21:16:51,031 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] [2023-11-23 21:16:51,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9481] [2023-11-23 21:16:51,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9856] [2023-11-23 21:16:51,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9887] [2023-11-23 21:16:51,147 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] [2023-11-23 21:16:51,210 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_78d612d0-8188-48ec-b339-60018b4d7641/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] [2023-11-23 21:16:51,226 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:16:51,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:51,353 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:16:51,361 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:51,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51 WrapperNode [2023-11-23 21:16:51,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:51,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:51,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:51,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:51,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:51,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,015 INFO L138 Inliner]: procedures = 381, calls = 4908, calls flagged for inlining = 150, calls inlined = 146, statements flattened = 13305 [2023-11-23 21:16:52,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:52,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:52,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:52,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:52,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:52,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:52,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:52,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:52,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (1/1) ... [2023-11-23 21:16:52,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:52,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:52,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:52,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d612d0-8188-48ec-b339-60018b4d7641/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2023-11-23 21:16:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2023-11-23 21:16:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2023-11-23 21:16:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2023-11-23 21:16:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-23 21:16:52,785 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-23 21:16:52,786 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-23 21:16:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-23 21:16:52,786 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-23 21:16:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-23 21:16:52,787 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2023-11-23 21:16:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2023-11-23 21:16:52,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:16:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:16:52,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:16:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:16:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2023-11-23 21:16:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2023-11-23 21:16:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2023-11-23 21:16:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2023-11-23 21:16:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-11-23 21:16:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-11-23 21:16:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2023-11-23 21:16:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2023-11-23 21:16:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-23 21:16:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-23 21:16:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:16:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:16:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-23 21:16:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-23 21:16:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-23 21:16:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-23 21:16:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2023-11-23 21:16:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2023-11-23 21:16:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2023-11-23 21:16:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2023-11-23 21:16:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:16:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:16:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:16:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:16:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2023-11-23 21:16:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2023-11-23 21:16:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-23 21:16:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-23 21:16:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2023-11-23 21:16:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2023-11-23 21:16:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-23 21:16:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-23 21:16:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2023-11-23 21:16:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2023-11-23 21:16:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:16:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:16:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:16:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:16:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2023-11-23 21:16:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2023-11-23 21:16:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:16:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:16:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2023-11-23 21:16:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2023-11-23 21:16:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2023-11-23 21:16:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2023-11-23 21:16:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-23 21:16:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-23 21:16:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-23 21:16:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-23 21:16:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:16:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:16:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2023-11-23 21:16:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2023-11-23 21:16:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:16:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:16:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-23 21:16:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-23 21:16:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2023-11-23 21:16:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2023-11-23 21:16:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2023-11-23 21:16:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2023-11-23 21:16:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2023-11-23 21:16:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2023-11-23 21:16:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2023-11-23 21:16:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2023-11-23 21:16:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 21:16:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 21:16:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2023-11-23 21:16:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2023-11-23 21:16:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:16:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:16:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:16:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2023-11-23 21:16:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2023-11-23 21:16:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2023-11-23 21:16:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2023-11-23 21:16:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-23 21:16:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-23 21:16:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:16:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:16:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-23 21:16:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-23 21:16:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-11-23 21:16:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-11-23 21:16:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:16:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:16:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-23 21:16:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-23 21:16:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:16:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:16:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2023-11-23 21:16:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2023-11-23 21:16:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:16:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:16:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-23 21:16:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-23 21:16:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2023-11-23 21:16:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2023-11-23 21:16:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-23 21:16:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-23 21:16:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:16:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:16:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2023-11-23 21:16:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2023-11-23 21:16:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-23 21:16:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-23 21:16:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:16:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:16:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2023-11-23 21:16:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2023-11-23 21:16:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2023-11-23 21:16:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2023-11-23 21:16:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-23 21:16:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-23 21:16:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2023-11-23 21:16:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2023-11-23 21:16:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-23 21:16:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-23 21:16:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:16:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:16:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:16:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:16:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2023-11-23 21:16:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2023-11-23 21:16:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-23 21:16:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-23 21:16:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:16:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:16:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:16:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:16:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:16:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:16:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-23 21:16:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-23 21:16:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2023-11-23 21:16:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2023-11-23 21:16:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2023-11-23 21:16:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2023-11-23 21:16:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:16:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:16:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2023-11-23 21:16:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2023-11-23 21:16:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-23 21:16:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-23 21:16:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2023-11-23 21:16:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2023-11-23 21:16:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2023-11-23 21:16:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2023-11-23 21:16:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2023-11-23 21:16:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2023-11-23 21:16:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:16:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:16:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2023-11-23 21:16:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2023-11-23 21:16:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:16:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:16:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2023-11-23 21:16:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2023-11-23 21:16:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:16:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:16:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2023-11-23 21:16:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2023-11-23 21:16:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2023-11-23 21:16:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2023-11-23 21:16:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2023-11-23 21:16:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2023-11-23 21:16:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 21:16:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 21:16:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:16:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2023-11-23 21:16:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2023-11-23 21:16:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_debug_buffer [2023-11-23 21:16:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_debug_buffer [2023-11-23 21:16:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-23 21:16:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-23 21:16:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2023-11-23 21:16:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2023-11-23 21:16:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-23 21:16:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-23 21:16:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-23 21:16:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-23 21:16:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:16:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:16:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2023-11-23 21:16:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2023-11-23 21:16:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-23 21:16:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-23 21:16:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:16:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:16:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2023-11-23 21:16:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2023-11-23 21:16:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 21:16:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-23 21:16:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:16:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:16:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:16:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:16:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:16:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2023-11-23 21:16:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2023-11-23 21:16:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2023-11-23 21:16:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2023-11-23 21:16:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:16:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:16:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:16:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:16:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2023-11-23 21:16:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2023-11-23 21:16:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:16:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:16:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:16:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2023-11-23 21:16:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2023-11-23 21:16:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:16:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:16:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:16:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:16:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-23 21:16:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-23 21:16:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2023-11-23 21:16:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2023-11-23 21:16:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-23 21:16:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-23 21:16:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:16:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2023-11-23 21:16:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2023-11-23 21:16:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2023-11-23 21:16:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2023-11-23 21:16:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-23 21:16:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-23 21:16:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:16:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:16:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:16:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:16:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-23 21:16:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-23 21:16:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2023-11-23 21:16:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2023-11-23 21:16:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2023-11-23 21:16:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2023-11-23 21:16:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-23 21:16:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-23 21:16:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-23 21:16:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-23 21:16:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:16:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:16:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2023-11-23 21:16:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2023-11-23 21:16:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 21:16:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 21:16:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-23 21:16:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-23 21:16:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-23 21:16:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-23 21:16:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-23 21:16:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-23 21:16:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-23 21:16:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-23 21:16:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-23 21:16:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-23 21:16:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:16:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:16:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2023-11-23 21:16:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2023-11-23 21:16:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-23 21:16:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-23 21:16:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:16:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:16:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-23 21:16:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-23 21:16:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:16:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:16:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:16:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:16:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:16:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:16:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:16:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:16:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-23 21:16:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-23 21:16:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:16:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:16:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:16:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2023-11-23 21:16:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2023-11-23 21:16:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2023-11-23 21:16:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2023-11-23 21:16:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2023-11-23 21:16:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2023-11-23 21:16:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:52,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-23 21:16:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-23 21:16:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:16:52,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:16:54,182 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:54,188 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:54,934 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:17:07,828 INFO L775 $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; [2023-11-23 21:17:08,250 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:16,535 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:16,536 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:17:16,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:16 BoogieIcfgContainer [2023-11-23 21:17:16,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:16,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:16,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:16,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:16,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:46" (1/3) ... [2023-11-23 21:17:16,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4f0b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:16, skipping insertion in model container [2023-11-23 21:17:16,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:51" (2/3) ... [2023-11-23 21:17:16,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4f0b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:16, skipping insertion in model container [2023-11-23 21:17:16,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:16" (3/3) ... [2023-11-23 21:17:16,548 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-23 21:17:16,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:16,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:16,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:16,706 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;@76352199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:16,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:16,723 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) [2023-11-23 21:17:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-23 21:17:16,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:16,761 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] [2023-11-23 21:17:16,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:16,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:16,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1115185000, now seen corresponding path program 1 times [2023-11-23 21:17:16,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:16,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484480533] [2023-11-23 21:17:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:16,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2023-11-23 21:17:18,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:18,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484480533] [2023-11-23 21:17:18,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484480533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:18,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:18,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:18,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654448661] [2023-11-23 21:17:18,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:18,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:18,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:18,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:18,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:18,776 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) [2023-11-23 21:17:20,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:25,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:25,647 INFO L93 Difference]: Finished difference Result 9477 states and 14090 transitions. [2023-11-23 21:17:25,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:25,649 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 296 [2023-11-23 21:17:25,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:25,723 INFO L225 Difference]: With dead ends: 9477 [2023-11-23 21:17:25,723 INFO L226 Difference]: Without dead ends: 6287 [2023-11-23 21:17:25,754 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 [2023-11-23 21:17:25,758 INFO L413 NwaCegarLoop]: 4289 mSDtfsCounter, 4714 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4714 SdHoareTripleChecker+Valid, 8480 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:25,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4714 Valid, 8480 Invalid, 948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 945 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 21:17:25,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6287 states. [2023-11-23 21:17:26,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6287 to 6272. [2023-11-23 21:17:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6272 states, 3881 states have (on average 1.3174439577428498) internal successors, (5113), 4030 states have internal predecessors, (5113), 2095 states have call successors, (2095), 296 states have call predecessors, (2095), 295 states have return successors, (2089), 2055 states have call predecessors, (2089), 2089 states have call successors, (2089) [2023-11-23 21:17:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6272 states to 6272 states and 9297 transitions. [2023-11-23 21:17:26,436 INFO L78 Accepts]: Start accepts. Automaton has 6272 states and 9297 transitions. Word has length 296 [2023-11-23 21:17:26,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:26,442 INFO L495 AbstractCegarLoop]: Abstraction has 6272 states and 9297 transitions. [2023-11-23 21:17:26,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-11-23 21:17:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 6272 states and 9297 transitions. [2023-11-23 21:17:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-11-23 21:17:26,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:26,457 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, 1] [2023-11-23 21:17:26,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:17:26,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:26,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:26,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1773592145, now seen corresponding path program 1 times [2023-11-23 21:17:26,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:26,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288430237] [2023-11-23 21:17:26,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2023-11-23 21:17:27,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:27,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288430237] [2023-11-23 21:17:27,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288430237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:27,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:27,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:27,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854877104] [2023-11-23 21:17:27,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:27,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:27,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:27,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:27,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:27,759 INFO L87 Difference]: Start difference. First operand 6272 states and 9297 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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)