./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--fusbh200-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_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/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_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/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--fusbh200-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/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_3bb6e600-153d-46df-ba55-0d01c7dce7e0/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 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:00,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:00,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:34:00,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:00,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:00,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:00,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:00,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:00,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:00,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:00,812 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:00,812 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:00,813 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:00,813 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:00,814 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:00,814 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:00,815 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:00,815 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:00,816 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:00,816 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:00,817 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:00,818 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:00,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:00,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:00,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:00,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:00,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:00,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:00,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:00,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:00,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:00,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:00,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:00,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:00,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:00,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:00,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:00,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:00,825 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:00,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:00,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:00,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:00,827 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:00,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:00,828 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_3bb6e600-153d-46df-ba55-0d01c7dce7e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 [2023-11-23 20:34:01,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:01,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:01,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:01,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:01,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:01,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2023-11-23 20:34:04,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:05,169 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:05,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2023-11-23 20:34:05,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/data/7a3140649/77bcdcd2e5ea4a65992ba250ee65a99a/FLAG141c10cda [2023-11-23 20:34:05,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/data/7a3140649/77bcdcd2e5ea4a65992ba250ee65a99a [2023-11-23 20:34:05,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:05,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:05,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:05,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:05,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:05,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d54296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05, skipping insertion in model container [2023-11-23 20:34:05,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:08,520 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_3bb6e600-153d-46df-ba55-0d01c7dce7e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i[372305,372318] [2023-11-23 20:34:08,590 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 20:34:08,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:08,644 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:08,852 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"); [3936] [2023-11-23 20:34:08,854 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)); [3943] [2023-11-23 20:34:08,856 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)); [3957-3958] [2023-11-23 20:34:08,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3966] [2023-11-23 20:34:08,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4289] [2023-11-23 20:34:08,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4296] [2023-11-23 20:34:09,079 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/9558/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fusbh200-hcd.c"), "i" (1872), "i" (12UL)); [6500-6501] [2023-11-23 20:34:09,103 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/9558/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fusbh200-hcd.c"), "i" (2086), "i" (12UL)); [6752-6753] [2023-11-23 20:34:09,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7075] [2023-11-23 20:34:09,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7121] [2023-11-23 20:34:09,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7673] [2023-11-23 20:34:09,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7750] [2023-11-23 20:34:09,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7868] [2023-11-23 20:34:09,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8388] [2023-11-23 20:34:09,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8473] [2023-11-23 20:34:09,324 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/9558/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fusbh200-hcd.c"), "i" (3969), "i" (12UL)); [8782-8783] [2023-11-23 20:34:09,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9411] [2023-11-23 20:34:09,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9784] [2023-11-23 20:34:09,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9815] [2023-11-23 20:34:09,401 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/9558/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/fusbh200-hcd.c"), "i" (5106), "i" (12UL)); [10197-10198] [2023-11-23 20:34:09,464 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_3bb6e600-153d-46df-ba55-0d01c7dce7e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i[372305,372318] [2023-11-23 20:34:09,470 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 20:34:09,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:09,629 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:34:09,629 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:34:09,638 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:09,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09 WrapperNode [2023-11-23 20:34:09,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:09,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:09,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:09,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:09,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:09,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,175 INFO L138 Inliner]: procedures = 333, calls = 4826, calls flagged for inlining = 153, calls inlined = 150, statements flattened = 13368 [2023-11-23 20:34:10,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:10,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:10,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:10,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:10,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:10,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:11,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:11,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:11,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:11,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:11,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (1/1) ... [2023-11-23 20:34:11,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:11,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:11,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:11,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb6e600-153d-46df-ba55-0d01c7dce7e0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2023-11-23 20:34:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2023-11-23 20:34:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_writel [2023-11-23 20:34:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_writel [2023-11-23 20:34:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-23 20:34:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-23 20:34:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-23 20:34:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-23 20:34:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-23 20:34:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-23 20:34:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_disable [2023-11-23 20:34:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_disable [2023-11-23 20:34:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_enqueue [2023-11-23 20:34:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_enqueue [2023-11-23 20:34:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:34:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:34:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:34:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:34:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2023-11-23 20:34:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2023-11-23 20:34:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_enable_event [2023-11-23 20:34:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_enable_event [2023-11-23 20:34:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-23 20:34:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-23 20:34:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_reset [2023-11-23 20:34:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_reset [2023-11-23 20:34:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 20:34:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 20:34:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:34:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:34:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-23 20:34:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-23 20:34:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-23 20:34:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-23 20:34:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2023-11-23 20:34:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2023-11-23 20:34:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2023-11-23 20:34:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2023-11-23 20:34:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_quiesce [2023-11-23 20:34:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_quiesce [2023-11-23 20:34:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_command_bit [2023-11-23 20:34:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_command_bit [2023-11-23 20:34:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 20:34:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 20:34:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 20:34:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 20:34:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-23 20:34:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-23 20:34:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_probe [2023-11-23 20:34:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_probe [2023-11-23 20:34:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-23 20:34:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-23 20:34:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_silence_controller [2023-11-23 20:34:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_silence_controller [2023-11-23 20:34:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 20:34:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 20:34:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:34:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:34:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_relinquish_port [2023-11-23 20:34:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_relinquish_port [2023-11-23 20:34:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2023-11-23 20:34:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2023-11-23 20:34:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-23 20:34:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-23 20:34:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-23 20:34:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-23 20:34:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_alloc [2023-11-23 20:34:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_alloc [2023-11-23 20:34:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-23 20:34:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-23 20:34:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2023-11-23 20:34:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2023-11-23 20:34:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:34:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 20:34:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 20:34:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2023-11-23 20:34:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2023-11-23 20:34:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_handed_over [2023-11-23 20:34:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_handed_over [2023-11-23 20:34:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-23 20:34:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-23 20:34:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:34:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:34:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-23 20:34:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-23 20:34:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-11-23 20:34:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-11-23 20:34:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-23 20:34:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-23 20:34:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_set_command_bit [2023-11-23 20:34:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_set_command_bit [2023-11-23 20:34:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 20:34:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 20:34:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:34:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:34:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_stop [2023-11-23 20:34:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_stop [2023-11-23 20:34:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-23 20:34:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-23 20:34:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-23 20:34:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-23 20:34:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_intr_unlinks [2023-11-23 20:34:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_intr_unlinks [2023-11-23 20:34:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:34:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 20:34:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 20:34:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:34:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-23 20:34:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-23 20:34:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:34:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:34:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2023-11-23 20:34:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2023-11-23 20:34:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-23 20:34:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-23 20:34:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-23 20:34:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-23 20:34:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 20:34:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 20:34:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fusbh200 [2023-11-23 20:34:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fusbh200 [2023-11-23 20:34:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 20:34:11,333 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 20:34:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-23 20:34:11,334 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-23 20:34:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 20:34:11,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 20:34:11,336 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_to_hcd [2023-11-23 20:34:11,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_to_hcd [2023-11-23 20:34:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-23 20:34:11,337 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-23 20:34:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 20:34:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 20:34:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2023-11-23 20:34:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2023-11-23 20:34:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-23 20:34:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-23 20:34:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2023-11-23 20:34:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2023-11-23 20:34:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_dequeue [2023-11-23 20:34:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_dequeue [2023-11-23 20:34:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2023-11-23 20:34:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2023-11-23 20:34:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_readl [2023-11-23 20:34:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_readl [2023-11-23 20:34:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_halt [2023-11-23 20:34:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_halt [2023-11-23 20:34:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 20:34:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 20:34:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer_complete [2023-11-23 20:34:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer_complete [2023-11-23 20:34:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 20:34:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 20:34:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_done [2023-11-23 20:34:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_done [2023-11-23 20:34:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 20:34:11,346 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 20:34:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_ASS [2023-11-23 20:34:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_ASS [2023-11-23 20:34:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_controller_death [2023-11-23 20:34:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_controller_death [2023-11-23 20:34:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_mem_cleanup [2023-11-23 20:34:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_mem_cleanup [2023-11-23 20:34:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 20:34:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 20:34:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:34:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-23 20:34:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-23 20:34:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-23 20:34:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-23 20:34:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-23 20:34:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-23 20:34:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_init [2023-11-23 20:34:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_init [2023-11-23 20:34:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:34:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:34:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 20:34:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 20:34:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_reset [2023-11-23 20:34:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_reset [2023-11-23 20:34:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-23 20:34:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-23 20:34:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 20:34:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 20:34:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_status_data [2023-11-23 20:34:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_status_data [2023-11-23 20:34:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:34:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:34:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 20:34:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-23 20:34:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 20:34:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 20:34:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:34:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 20:34:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 20:34:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_remove [2023-11-23 20:34:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_remove [2023-11-23 20:34:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2023-11-23 20:34:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2023-11-23 20:34:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 20:34:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 20:34:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:34:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:34:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2023-11-23 20:34:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2023-11-23 20:34:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_get_frame [2023-11-23 20:34:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_get_frame [2023-11-23 20:34:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 20:34:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 20:34:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_PSS [2023-11-23 20:34:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_PSS [2023-11-23 20:34:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:34:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-23 20:34:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 20:34:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 20:34:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 20:34:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 20:34:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-23 20:34:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-23 20:34:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2023-11-23 20:34:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2023-11-23 20:34:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-23 20:34:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-23 20:34:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:34:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_free [2023-11-23 20:34:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_free [2023-11-23 20:34:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-23 20:34:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-23 20:34:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qh_alloc [2023-11-23 20:34:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qh_alloc [2023-11-23 20:34:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 20:34:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 20:34:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:34:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 20:34:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-23 20:34:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-23 20:34:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2023-11-23 20:34:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2023-11-23 20:34:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fusbh200_init [2023-11-23 20:34:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fusbh200_init [2023-11-23 20:34:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-23 20:34:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-23 20:34:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-23 20:34:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-23 20:34:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 20:34:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 20:34:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2023-11-23 20:34:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2023-11-23 20:34:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_read_frame_index [2023-11-23 20:34:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_read_frame_index [2023-11-23 20:34:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 20:34:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 20:34:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_shutdown [2023-11-23 20:34:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_shutdown [2023-11-23 20:34:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-23 20:34:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-23 20:34:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-23 20:34:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-23 20:34:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-23 20:34:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-23 20:34:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_work [2023-11-23 20:34:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_work [2023-11-23 20:34:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-23 20:34:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-23 20:34:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:34:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:34:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-23 20:34:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-23 20:34:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 20:34:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 20:34:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-23 20:34:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-23 20:34:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 20:34:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 20:34:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_run [2023-11-23 20:34:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_run [2023-11-23 20:34:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 20:34:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 20:34:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 20:34:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 20:34:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 20:34:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 20:34:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-23 20:34:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-23 20:34:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 20:34:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 20:34:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:34:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_control [2023-11-23 20:34:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_control [2023-11-23 20:34:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-23 20:34:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-23 20:34:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_speed [2023-11-23 20:34:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_speed [2023-11-23 20:34:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer [2023-11-23 20:34:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer [2023-11-23 20:34:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_irq [2023-11-23 20:34:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_irq [2023-11-23 20:34:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-23 20:34:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-23 20:34:12,748 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:12,754 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:15,322 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:34:27,311 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 20:34:27,859 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:35,710 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:35,711 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:34:35,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:35 BoogieIcfgContainer [2023-11-23 20:34:35,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:35,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:35,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:35,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:35,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:05" (1/3) ... [2023-11-23 20:34:35,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1696a23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:35, skipping insertion in model container [2023-11-23 20:34:35,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:09" (2/3) ... [2023-11-23 20:34:35,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1696a23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:35, skipping insertion in model container [2023-11-23 20:34:35,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:35" (3/3) ... [2023-11-23 20:34:35,726 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2023-11-23 20:34:35,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:35,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:35,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:35,916 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;@7b5369a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:35,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 3170 states, 1957 states have (on average 1.3249872253449158) internal successors, (2593), 2042 states have internal predecessors, (2593), 1067 states have call successors, (1067), 145 states have call predecessors, (1067), 144 states have return successors, (1059), 1043 states have call predecessors, (1059), 1059 states have call successors, (1059) [2023-11-23 20:34:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-23 20:34:36,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:36,003 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 20:34:36,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:36,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:36,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1030786252, now seen corresponding path program 1 times [2023-11-23 20:34:36,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:36,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103769993] [2023-11-23 20:34:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:37,736 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 20:34:37,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:34:37,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103769993] [2023-11-23 20:34:37,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103769993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:37,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:37,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:34:37,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273009084] [2023-11-23 20:34:37,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:37,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:34:37,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:34:37,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:34:37,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:34:37,802 INFO L87 Difference]: Start difference. First operand has 3170 states, 1957 states have (on average 1.3249872253449158) internal successors, (2593), 2042 states have internal predecessors, (2593), 1067 states have call successors, (1067), 145 states have call predecessors, (1067), 144 states have return successors, (1059), 1043 states have call predecessors, (1059), 1059 states have call successors, (1059) 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 20:34:39,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:34:45,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:45,255 INFO L93 Difference]: Finished difference Result 9363 states and 14017 transitions. [2023-11-23 20:34:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:34:45,259 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 20:34:45,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:45,373 INFO L225 Difference]: With dead ends: 9363 [2023-11-23 20:34:45,374 INFO L226 Difference]: Without dead ends: 6197 [2023-11-23 20:34:45,414 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 20:34:45,418 INFO L413 NwaCegarLoop]: 4251 mSDtfsCounter, 4672 mSDsluCounter, 4153 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4672 SdHoareTripleChecker+Valid, 8404 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:45,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4672 Valid, 8404 Invalid, 940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 937 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 20:34:45,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6197 states. [2023-11-23 20:34:46,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6197 to 6192. [2023-11-23 20:34:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6192 states, 3839 states have (on average 1.3206564209429539) internal successors, (5070), 3989 states have internal predecessors, (5070), 2069 states have call successors, (2069), 284 states have call predecessors, (2069), 283 states have return successors, (2067), 2034 states have call predecessors, (2067), 2067 states have call successors, (2067) [2023-11-23 20:34:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6192 states to 6192 states and 9206 transitions. [2023-11-23 20:34:46,400 INFO L78 Accepts]: Start accepts. Automaton has 6192 states and 9206 transitions. Word has length 296 [2023-11-23 20:34:46,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:46,405 INFO L495 AbstractCegarLoop]: Abstraction has 6192 states and 9206 transitions. [2023-11-23 20:34:46,406 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 20:34:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 6192 states and 9206 transitions. [2023-11-23 20:34:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-11-23 20:34:46,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:46,417 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 20:34:46,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:34:46,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:46,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:46,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1780349063, now seen corresponding path program 1 times [2023-11-23 20:34:46,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:46,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729924470] [2023-11-23 20:34:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:46,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat