./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-43_2a-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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/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_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/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_5742f349-3908-4163-b3c6-f2c590ed1106/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 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:22,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:22,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:34:22,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:22,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:22,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:22,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:22,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:22,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:22,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:22,537 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:22,538 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:22,538 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:22,540 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:22,541 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:22,541 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:22,542 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:22,543 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:22,543 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:22,544 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:22,544 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:22,545 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:22,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:22,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:22,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:22,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:22,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:22,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:22,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:22,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:22,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:22,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:22,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:22,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:22,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:22,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:22,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:22,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:22,557 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:22,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:22,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:22,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:22,558 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:22,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:22,559 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_5742f349-3908-4163-b3c6-f2c590ed1106/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2023-11-23 20:34:22,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:22,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:22,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:22,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:22,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:22,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-23 20:34:26,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:27,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:27,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-23 20:34:27,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/data/abf04f49e/bf7c30f6246c415a8528fc0cb44a777b/FLAGc540a5571 [2023-11-23 20:34:27,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/data/abf04f49e/bf7c30f6246c415a8528fc0cb44a777b [2023-11-23 20:34:27,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:27,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:27,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:27,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:27,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:27,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:27" (1/1) ... [2023-11-23 20:34:27,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f66ae0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:27, skipping insertion in model container [2023-11-23 20:34:27,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:27" (1/1) ... [2023-11-23 20:34:27,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:30,776 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_5742f349-3908-4163-b3c6-f2c590ed1106/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2023-11-23 20:34:30,851 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 20:34:30,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:30,900 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:31,057 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"); [3937] [2023-11-23 20:34:31,059 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)); [3944] [2023-11-23 20:34:31,061 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)); [3958-3959] [2023-11-23 20:34:31,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3967] [2023-11-23 20:34:31,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4294] [2023-11-23 20:34:31,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4301] [2023-11-23 20:34:31,263 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9557/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fotg210-hcd.c"), "i" (1921), "i" (12UL)); [6504-6505] [2023-11-23 20:34:31,352 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9557/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fotg210-hcd.c"), "i" (2133), "i" (12UL)); [6756-6757] [2023-11-23 20:34:31,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7079] [2023-11-23 20:34:31,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7125] [2023-11-23 20:34:31,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7677] [2023-11-23 20:34:31,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2023-11-23 20:34:31,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7871] [2023-11-23 20:34:31,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8390] [2023-11-23 20:34:31,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8475] [2023-11-23 20:34:31,534 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9557/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fotg210-hcd.c"), "i" (4035), "i" (12UL)); [8784-8785] [2023-11-23 20:34:31,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9411] [2023-11-23 20:34:31,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9784] [2023-11-23 20:34:31,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9815] [2023-11-23 20:34:31,632 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9557/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fotg210-hcd.c"), "i" (5180), "i" (12UL)); [10197-10198] [2023-11-23 20:34:31,713 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_5742f349-3908-4163-b3c6-f2c590ed1106/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2023-11-23 20:34:31,722 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 20:34:31,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:31,860 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:34:31,860 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:34:31,869 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:31,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31 WrapperNode [2023-11-23 20:34:31,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:31,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:31,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:31,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:31,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,429 INFO L138 Inliner]: procedures = 335, calls = 4816, calls flagged for inlining = 155, calls inlined = 153, statements flattened = 13333 [2023-11-23 20:34:32,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:32,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:32,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:32,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:32,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:32,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:33,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:33,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:33,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:33,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:33,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:33,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (1/1) ... [2023-11-23 20:34:33,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:33,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:33,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5742f349-3908-4163-b3c6-f2c590ed1106/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2023-11-23 20:34:33,282 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2023-11-23 20:34:33,283 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2023-11-23 20:34:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2023-11-23 20:34:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-23 20:34:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-23 20:34:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-23 20:34:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-23 20:34:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-23 20:34:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-23 20:34:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2023-11-23 20:34:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2023-11-23 20:34:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:34:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:34:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2023-11-23 20:34:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2023-11-23 20:34:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2023-11-23 20:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2023-11-23 20:34:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2023-11-23 20:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2023-11-23 20:34:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-23 20:34:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-23 20:34:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 20:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 20:34:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:34:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-23 20:34:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-23 20:34:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-23 20:34:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-23 20:34:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2023-11-23 20:34:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2023-11-23 20:34:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2023-11-23 20:34:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2023-11-23 20:34:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 20:34:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 20:34:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 20:34:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 20:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2023-11-23 20:34:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2023-11-23 20:34:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-23 20:34:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-23 20:34:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2023-11-23 20:34:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2023-11-23 20:34:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-23 20:34:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-23 20:34:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2023-11-23 20:34:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2023-11-23 20:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 20:34:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 20:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:34:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:34:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2023-11-23 20:34:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2023-11-23 20:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2023-11-23 20:34:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2023-11-23 20:34:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2023-11-23 20:34:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2023-11-23 20:34:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-23 20:34:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-23 20:34:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-23 20:34:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-23 20:34:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2023-11-23 20:34:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2023-11-23 20:34:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-23 20:34:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-23 20:34:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2023-11-23 20:34:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2023-11-23 20:34:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2023-11-23 20:34:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2023-11-23 20:34:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2023-11-23 20:34:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2023-11-23 20:34:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2023-11-23 20:34:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2023-11-23 20:34:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2023-11-23 20:34:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2023-11-23 20:34:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:34:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 20:34:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 20:34:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2023-11-23 20:34:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2023-11-23 20:34:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2023-11-23 20:34:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2023-11-23 20:34:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-23 20:34:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-23 20:34:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:34:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:34:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-23 20:34:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-23 20:34:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-11-23 20:34:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-11-23 20:34:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 20:34:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 20:34:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-23 20:34:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-23 20:34:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 20:34:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 20:34:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:34:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:34:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:34:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:34:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2023-11-23 20:34:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2023-11-23 20:34:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-23 20:34:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-23 20:34:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2023-11-23 20:34:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2023-11-23 20:34:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-23 20:34:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-23 20:34:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:34:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:34:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2023-11-23 20:34:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2023-11-23 20:34:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-23 20:34:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-23 20:34:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:34:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:34:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2023-11-23 20:34:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2023-11-23 20:34:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2023-11-23 20:34:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2023-11-23 20:34:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-23 20:34:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-23 20:34:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2023-11-23 20:34:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2023-11-23 20:34:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-23 20:34:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-23 20:34:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 20:34:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 20:34:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 20:34:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 20:34:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2023-11-23 20:34:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2023-11-23 20:34:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-23 20:34:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-23 20:34:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 20:34:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 20:34:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-23 20:34:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-23 20:34:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2023-11-23 20:34:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2023-11-23 20:34:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2023-11-23 20:34:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2023-11-23 20:34:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 20:34:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 20:34:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2023-11-23 20:34:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2023-11-23 20:34:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-23 20:34:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-23 20:34:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2023-11-23 20:34:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2023-11-23 20:34:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2023-11-23 20:34:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2023-11-23 20:34:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2023-11-23 20:34:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2023-11-23 20:34:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 20:34:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 20:34:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2023-11-23 20:34:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2023-11-23 20:34:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 20:34:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 20:34:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2023-11-23 20:34:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2023-11-23 20:34:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 20:34:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 20:34:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2023-11-23 20:34:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2023-11-23 20:34:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2023-11-23 20:34:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2023-11-23 20:34:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2023-11-23 20:34:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2023-11-23 20:34:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 20:34:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 20:34:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:34:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2023-11-23 20:34:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2023-11-23 20:34:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-23 20:34:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-23 20:34:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2023-11-23 20:34:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2023-11-23 20:34:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-23 20:34:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-23 20:34:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-23 20:34:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-23 20:34:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:34:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:34:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 20:34:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 20:34:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2023-11-23 20:34:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2023-11-23 20:34:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-23 20:34:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-23 20:34:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:34:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:34:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2023-11-23 20:34:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2023-11-23 20:34:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 20:34:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-23 20:34:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 20:34:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 20:34:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:34:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 20:34:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 20:34:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2023-11-23 20:34:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2023-11-23 20:34:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2023-11-23 20:34:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2023-11-23 20:34:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 20:34:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 20:34:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:34:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:34:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2023-11-23 20:34:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2023-11-23 20:34:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 20:34:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 20:34:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:34:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-23 20:34:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2023-11-23 20:34:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2023-11-23 20:34:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 20:34:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 20:34:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 20:34:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 20:34:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-23 20:34:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-23 20:34:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2023-11-23 20:34:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2023-11-23 20:34:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-23 20:34:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-23 20:34:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:34:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2023-11-23 20:34:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2023-11-23 20:34:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2023-11-23 20:34:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2023-11-23 20:34:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-23 20:34:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-23 20:34:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 20:34:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 20:34:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:34:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:34:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-23 20:34:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-23 20:34:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2023-11-23 20:34:33,343 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2023-11-23 20:34:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2023-11-23 20:34:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2023-11-23 20:34:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-23 20:34:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-23 20:34:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-23 20:34:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-23 20:34:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 20:34:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 20:34:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2023-11-23 20:34:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2023-11-23 20:34:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 20:34:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 20:34:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-23 20:34:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-23 20:34:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-23 20:34:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-23 20:34:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-23 20:34:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-23 20:34:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-23 20:34:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-23 20:34:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:34:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:34:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2023-11-23 20:34:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2023-11-23 20:34:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-23 20:34:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-23 20:34:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 20:34:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 20:34:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-23 20:34:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-23 20:34:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 20:34:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 20:34:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 20:34:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 20:34:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 20:34:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 20:34:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 20:34:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 20:34:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-23 20:34:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-23 20:34:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 20:34:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 20:34:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:34:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2023-11-23 20:34:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2023-11-23 20:34:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2023-11-23 20:34:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2023-11-23 20:34:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2023-11-23 20:34:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2023-11-23 20:34:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-23 20:34:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-23 20:34:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 20:34:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 20:34:34,688 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:34,694 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:35,394 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:34:48,306 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: havoc ldv_platform_driver_unregister_29_~ldv_func_arg1#1.base, ldv_platform_driver_unregister_29_~ldv_func_arg1#1.offset;havoc ldv_platform_driver_unregister_29_#in~ldv_func_arg1#1.base, ldv_platform_driver_unregister_29_#in~ldv_func_arg1#1.offset;assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2023-11-23 20:34:48,729 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:56,666 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:56,666 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:34:56,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:56 BoogieIcfgContainer [2023-11-23 20:34:56,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:56,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:56,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:56,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:56,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:27" (1/3) ... [2023-11-23 20:34:56,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f748844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:56, skipping insertion in model container [2023-11-23 20:34:56,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:31" (2/3) ... [2023-11-23 20:34:56,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f748844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:56, skipping insertion in model container [2023-11-23 20:34:56,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:56" (3/3) ... [2023-11-23 20:34:56,691 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-23 20:34:56,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:56,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:56,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:56,842 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;@13d4f7e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:56,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 3142 states, 1939 states have (on average 1.3259412068076328) internal successors, (2571), 2022 states have internal predecessors, (2571), 1057 states have call successors, (1057), 145 states have call predecessors, (1057), 144 states have return successors, (1049), 1033 states have call predecessors, (1049), 1049 states have call successors, (1049) [2023-11-23 20:34:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-23 20:34:56,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:56,887 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 20:34:56,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:56,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:56,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1089886688, now seen corresponding path program 1 times [2023-11-23 20:34:56,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:56,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66139650] [2023-11-23 20:34:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:58,647 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 20:34:58,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:34:58,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66139650] [2023-11-23 20:34:58,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66139650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:58,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:58,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:34:58,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864457044] [2023-11-23 20:34:58,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:58,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:34:58,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:34:58,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:34:58,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:34:58,707 INFO L87 Difference]: Start difference. First operand has 3142 states, 1939 states have (on average 1.3259412068076328) internal successors, (2571), 2022 states have internal predecessors, (2571), 1057 states have call successors, (1057), 145 states have call predecessors, (1057), 144 states have return successors, (1049), 1033 states have call predecessors, (1049), 1049 states have call successors, (1049) 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 20:35:00,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:05,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:05,544 INFO L93 Difference]: Finished difference Result 9279 states and 13891 transitions. [2023-11-23 20:35:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:35:05,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (33), 2 states have call predecessors, (33), 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 20:35:05,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:05,665 INFO L225 Difference]: With dead ends: 9279 [2023-11-23 20:35:05,666 INFO L226 Difference]: Without dead ends: 6141 [2023-11-23 20:35:05,702 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 20:35:05,706 INFO L413 NwaCegarLoop]: 4208 mSDtfsCounter, 4630 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4630 SdHoareTripleChecker+Valid, 8318 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:05,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4630 Valid, 8318 Invalid, 942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 939 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 20:35:05,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2023-11-23 20:35:06,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 6136. [2023-11-23 20:35:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6136 states, 3803 states have (on average 1.3215882198264528) internal successors, (5026), 3949 states have internal predecessors, (5026), 2049 states have call successors, (2049), 284 states have call predecessors, (2049), 283 states have return successors, (2047), 2014 states have call predecessors, (2047), 2047 states have call successors, (2047) [2023-11-23 20:35:06,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6136 states to 6136 states and 9122 transitions. [2023-11-23 20:35:06,609 INFO L78 Accepts]: Start accepts. Automaton has 6136 states and 9122 transitions. Word has length 296 [2023-11-23 20:35:06,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:06,613 INFO L495 AbstractCegarLoop]: Abstraction has 6136 states and 9122 transitions. [2023-11-23 20:35:06,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 20:35:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 6136 states and 9122 transitions. [2023-11-23 20:35:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-11-23 20:35:06,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:06,630 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 20:35:06,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:35:06,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:06,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:06,633 INFO L85 PathProgramCache]: Analyzing trace with hash 82106217, now seen corresponding path program 1 times [2023-11-23 20:35:06,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:35:06,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338971461] [2023-11-23 20:35:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:06,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:35:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:07,626 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 20:35:07,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:35:07,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338971461] [2023-11-23 20:35:07,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338971461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:07,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:07,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:35:07,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634767084] [2023-11-23 20:35:07,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:07,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:35:07,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:35:07,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:35:07,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:35:07,640 INFO L87 Difference]: Start difference. First operand 6136 states and 9122 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)