./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.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_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:27:20,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:27:20,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:27:20,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:27:20,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:27:20,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:27:20,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:27:20,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:27:20,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:27:20,267 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:27:20,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:27:20,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:27:20,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:27:20,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:27:20,272 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:27:20,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:27:20,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:27:20,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:27:20,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:27:20,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:27:20,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:27:20,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:27:20,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:27:20,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:27:20,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:27:20,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:27:20,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:27:20,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:27:20,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:20,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:27:20,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:27:20,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:27:20,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:27:20,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:27:20,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:27:20,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:27:20,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:27:20,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:27:20,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:27:20,288 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2023-11-21 22:27:20,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:27:20,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:27:20,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:27:20,645 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:27:20,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:27:20,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/../../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 [2023-11-21 22:27:23,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:24,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:24,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/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 [2023-11-21 22:27:24,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/data/0f1993571/31074a89be4a4a00a9edb03a5bc2a7c1/FLAG93b131b9d [2023-11-21 22:27:24,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/data/0f1993571/31074a89be4a4a00a9edb03a5bc2a7c1 [2023-11-21 22:27:24,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:24,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:24,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:24,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:24,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:24,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:24" (1/1) ... [2023-11-21 22:27:24,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d84db04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:24, skipping insertion in model container [2023-11-21 22:27:24,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:24" (1/1) ... [2023-11-21 22:27:24,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:27,978 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_11694e89-c909-4b12-88cf-bd5803f60443/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] [2023-11-21 22:27:28,045 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-21 22:27:28,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:28,163 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:27:28,256 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] [2023-11-21 22:27:28,258 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] [2023-11-21 22:27:28,259 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] [2023-11-21 22:27:28,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3967] [2023-11-21 22:27:28,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4294] [2023-11-21 22:27:28,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4301] [2023-11-21 22:27:28,533 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] [2023-11-21 22:27:28,559 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] [2023-11-21 22:27:28,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7079] [2023-11-21 22:27:28,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7125] [2023-11-21 22:27:28,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7677] [2023-11-21 22:27:28,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2023-11-21 22:27:28,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7871] [2023-11-21 22:27:28,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8390] [2023-11-21 22:27:28,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8475] [2023-11-21 22:27:28,736 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] [2023-11-21 22:27:28,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9411] [2023-11-21 22:27:28,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9784] [2023-11-21 22:27:28,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9815] [2023-11-21 22:27:28,824 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] [2023-11-21 22:27:28,940 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_11694e89-c909-4b12-88cf-bd5803f60443/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] [2023-11-21 22:27:28,948 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-21 22:27:28,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:29,078 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:27:29,078 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:27:29,086 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:27:29,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29 WrapperNode [2023-11-21 22:27:29,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:29,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:29,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:27:29,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:27:29,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:29,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:29,678 INFO L138 Inliner]: procedures = 335, calls = 4816, calls flagged for inlining = 155, calls inlined = 153, statements flattened = 13333 [2023-11-21 22:27:29,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:29,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:27:29,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:27:29,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:27:29,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:29,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:29,791 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:29,869 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Must not add nullpointer [2023-11-21 22:27:29,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:29,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:30,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:30,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:30,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:30,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:30,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:27:30,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:27:30,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:27:30,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:27:30,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (1/1) ... [2023-11-21 22:27:30,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:30,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:27:30,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:27:30,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11694e89-c909-4b12-88cf-bd5803f60443/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:27:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2023-11-21 22:27:30,610 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2023-11-21 22:27:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2023-11-21 22:27:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2023-11-21 22:27:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-21 22:27:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-21 22:27:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-21 22:27:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-21 22:27:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-21 22:27:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-21 22:27:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2023-11-21 22:27:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2023-11-21 22:27:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:27:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:27:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:27:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:27:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2023-11-21 22:27:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2023-11-21 22:27:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2023-11-21 22:27:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2023-11-21 22:27:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2023-11-21 22:27:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2023-11-21 22:27:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-21 22:27:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-21 22:27:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 22:27:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 22:27:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:27:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:27:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-21 22:27:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-21 22:27:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-21 22:27:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-21 22:27:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2023-11-21 22:27:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2023-11-21 22:27:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2023-11-21 22:27:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2023-11-21 22:27:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:27:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:27:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:27:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:27:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2023-11-21 22:27:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2023-11-21 22:27:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-21 22:27:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-21 22:27:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2023-11-21 22:27:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2023-11-21 22:27:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-21 22:27:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-21 22:27:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2023-11-21 22:27:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2023-11-21 22:27:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:27:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:27:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:27:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:27:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2023-11-21 22:27:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2023-11-21 22:27:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:27:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:27:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2023-11-21 22:27:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2023-11-21 22:27:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2023-11-21 22:27:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2023-11-21 22:27:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-21 22:27:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-21 22:27:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-21 22:27:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-21 22:27:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2023-11-21 22:27:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2023-11-21 22:27:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-21 22:27:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-21 22:27:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2023-11-21 22:27:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2023-11-21 22:27:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2023-11-21 22:27:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2023-11-21 22:27:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2023-11-21 22:27:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2023-11-21 22:27:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2023-11-21 22:27:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2023-11-21 22:27:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2023-11-21 22:27:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2023-11-21 22:27:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:27:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:27:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:27:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2023-11-21 22:27:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2023-11-21 22:27:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2023-11-21 22:27:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2023-11-21 22:27:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-21 22:27:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-21 22:27:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:27:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:27:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-21 22:27:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-21 22:27:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-11-21 22:27:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-11-21 22:27:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-21 22:27:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-21 22:27:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-21 22:27:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-21 22:27:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-21 22:27:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-21 22:27:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:27:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:27:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:27:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:27:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2023-11-21 22:27:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2023-11-21 22:27:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-21 22:27:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-21 22:27:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2023-11-21 22:27:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2023-11-21 22:27:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-21 22:27:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-21 22:27:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:27:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:27:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2023-11-21 22:27:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2023-11-21 22:27:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-21 22:27:30,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-21 22:27:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:27:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:27:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2023-11-21 22:27:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2023-11-21 22:27:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2023-11-21 22:27:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2023-11-21 22:27:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-21 22:27:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-21 22:27:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2023-11-21 22:27:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2023-11-21 22:27:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-21 22:27:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-21 22:27:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:27:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:27:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 22:27:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 22:27:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2023-11-21 22:27:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2023-11-21 22:27:30,656 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-21 22:27:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-21 22:27:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:27:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:27:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-21 22:27:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-21 22:27:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2023-11-21 22:27:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2023-11-21 22:27:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2023-11-21 22:27:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2023-11-21 22:27:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:27:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:27:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2023-11-21 22:27:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2023-11-21 22:27:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-21 22:27:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-21 22:27:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2023-11-21 22:27:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2023-11-21 22:27:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2023-11-21 22:27:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2023-11-21 22:27:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2023-11-21 22:27:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2023-11-21 22:27:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 22:27:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 22:27:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2023-11-21 22:27:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2023-11-21 22:27:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-21 22:27:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-21 22:27:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2023-11-21 22:27:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2023-11-21 22:27:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-21 22:27:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-21 22:27:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2023-11-21 22:27:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2023-11-21 22:27:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2023-11-21 22:27:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2023-11-21 22:27:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2023-11-21 22:27:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2023-11-21 22:27:30,662 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-21 22:27:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-21 22:27:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:27:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2023-11-21 22:27:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2023-11-21 22:27:30,663 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-21 22:27:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-21 22:27:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2023-11-21 22:27:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2023-11-21 22:27:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-21 22:27:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-21 22:27:30,664 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-21 22:27:30,664 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-21 22:27:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:27:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:27:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:27:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:27:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2023-11-21 22:27:30,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2023-11-21 22:27:30,665 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-21 22:27:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-21 22:27:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:27:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:27:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2023-11-21 22:27:30,666 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2023-11-21 22:27:30,666 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-21 22:27:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-21 22:27:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 22:27:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 22:27:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:27:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 22:27:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 22:27:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2023-11-21 22:27:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2023-11-21 22:27:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2023-11-21 22:27:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2023-11-21 22:27:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-21 22:27:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-21 22:27:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:27:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:27:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2023-11-21 22:27:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2023-11-21 22:27:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:27:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:27:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:27:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-21 22:27:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2023-11-21 22:27:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2023-11-21 22:27:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:27:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:27:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 22:27:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 22:27:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:27:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-21 22:27:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-21 22:27:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2023-11-21 22:27:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2023-11-21 22:27:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-21 22:27:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-21 22:27:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:27:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2023-11-21 22:27:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2023-11-21 22:27:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2023-11-21 22:27:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2023-11-21 22:27:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-21 22:27:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-21 22:27:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-21 22:27:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-21 22:27:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:27:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:27:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-21 22:27:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-21 22:27:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2023-11-21 22:27:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2023-11-21 22:27:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2023-11-21 22:27:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2023-11-21 22:27:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-21 22:27:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-21 22:27:30,676 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-21 22:27:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-21 22:27:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 22:27:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 22:27:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2023-11-21 22:27:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2023-11-21 22:27:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-21 22:27:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-21 22:27:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-21 22:27:30,681 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-21 22:27:30,681 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-21 22:27:30,682 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-21 22:27:30,682 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-21 22:27:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-21 22:27:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-21 22:27:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-21 22:27:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:27:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:27:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2023-11-21 22:27:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2023-11-21 22:27:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-21 22:27:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-21 22:27:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 22:27:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 22:27:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-21 22:27:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-21 22:27:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 22:27:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 22:27:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-21 22:27:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-21 22:27:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 22:27:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 22:27:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:27:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:27:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-21 22:27:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-21 22:27:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-21 22:27:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-21 22:27:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:27:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2023-11-21 22:27:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2023-11-21 22:27:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2023-11-21 22:27:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2023-11-21 22:27:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2023-11-21 22:27:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2023-11-21 22:27:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:27:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:27:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-21 22:27:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-21 22:27:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:27:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:27:31,949 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:27:31,960 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:27:32,764 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:27:46,140 INFO L774 $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; [2023-11-21 22:27:46,542 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:28:01,884 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:28:01,885 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:28:01,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:01 BoogieIcfgContainer [2023-11-21 22:28:01,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:28:01,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:28:01,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:28:01,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:28:01,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:27:24" (1/3) ... [2023-11-21 22:28:01,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18624bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:28:01, skipping insertion in model container [2023-11-21 22:28:01,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:29" (2/3) ... [2023-11-21 22:28:01,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18624bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:28:01, skipping insertion in model container [2023-11-21 22:28:01,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:01" (3/3) ... [2023-11-21 22:28:01,900 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2023-11-21 22:28:01,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:28:01,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:28:02,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:28:02,080 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=PETRI_NET, 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;@ebec5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:28:02,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:28:02,104 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) [2023-11-21 22:28:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-21 22:28:02,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:28:02,148 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] [2023-11-21 22:28:02,149 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:28:02,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:02,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1089886688, now seen corresponding path program 1 times [2023-11-21 22:28:02,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:02,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629716017] [2023-11-21 22:28:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:02,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:28:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:28:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:28:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:28:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:28:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:28:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:28:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 22:28:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:28:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:28:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:28:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-21 22:28:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-21 22:28:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-21 22:28:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-21 22:28:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-21 22:28:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-21 22:28:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-21 22:28:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-21 22:28:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-21 22:28:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-21 22:28:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-21 22:28:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-21 22:28:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-21 22:28:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-21 22:28:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-21 22:28:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-21 22:28:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-21 22:28:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:28:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2023-11-21 22:28:04,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:04,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629716017] [2023-11-21 22:28:04,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629716017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:04,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:04,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:28:04,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18798553] [2023-11-21 22:28:04,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:04,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:28:04,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:05,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:28:05,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:28:05,039 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 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-21 22:28:07,158 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 []