./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 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_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/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_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/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--fusbh200-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/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_d1dcc234-e85a-439e-bda5-7599ae308ebf/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 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:35,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:36,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:06:36,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:36,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:36,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:36,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:36,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:36,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:36,179 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:36,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:36,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:36,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:36,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:36,184 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:36,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:36,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:36,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:36,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:36,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:36,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:36,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:36,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:36,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:36,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:36,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:36,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:36,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:36,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:36,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:36,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:36,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:36,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:36,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:36,195 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:36,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:36,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:36,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:36,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:36,196 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_d1dcc234-e85a-439e-bda5-7599ae308ebf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 [2023-11-21 22:06:36,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:36,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:36,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:36,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:36,551 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:36,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/../../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 [2023-11-21 22:06:39,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:40,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:40,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/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 [2023-11-21 22:06:40,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/data/7bae89966/918364efcf3f4697bf1f844766cb65a7/FLAGc9763a381 [2023-11-21 22:06:40,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/data/7bae89966/918364efcf3f4697bf1f844766cb65a7 [2023-11-21 22:06:40,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:40,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:40,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:40,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:40,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:40,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:40" (1/1) ... [2023-11-21 22:06:40,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebb8723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:40, skipping insertion in model container [2023-11-21 22:06:40,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:40" (1/1) ... [2023-11-21 22:06:40,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:43,573 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_d1dcc234-e85a-439e-bda5-7599ae308ebf/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] [2023-11-21 22:06:43,652 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-21 22:06:43,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:43,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:43,804 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] [2023-11-21 22:06:43,806 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] [2023-11-21 22:06:43,807 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] [2023-11-21 22:06:43,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3966] [2023-11-21 22:06:43,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4289] [2023-11-21 22:06:43,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4296] [2023-11-21 22:06:44,082 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] [2023-11-21 22:06:44,103 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] [2023-11-21 22:06:44,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7075] [2023-11-21 22:06:44,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7121] [2023-11-21 22:06:44,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7673] [2023-11-21 22:06:44,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7750] [2023-11-21 22:06:44,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7868] [2023-11-21 22:06:44,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8388] [2023-11-21 22:06:44,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8473] [2023-11-21 22:06:44,303 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] [2023-11-21 22:06:44,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9411] [2023-11-21 22:06:44,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9784] [2023-11-21 22:06:44,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9815] [2023-11-21 22:06:44,400 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] [2023-11-21 22:06:44,483 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_d1dcc234-e85a-439e-bda5-7599ae308ebf/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] [2023-11-21 22:06:44,490 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-21 22:06:44,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:44,634 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:44,634 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:44,643 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:44,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44 WrapperNode [2023-11-21 22:06:44,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:44,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:44,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:44,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:44,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:44,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:45,292 INFO L138 Inliner]: procedures = 333, calls = 4826, calls flagged for inlining = 153, calls inlined = 150, statements flattened = 13368 [2023-11-21 22:06:45,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:45,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:45,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:45,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:45,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:45,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:45,356 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:45,781 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Must not add nullpointer [2023-11-21 22:06:45,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:45,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:46,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:46,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:46,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:46,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:46,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:46,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:46,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:46,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:46,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (1/1) ... [2023-11-21 22:06:46,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:46,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:46,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:46,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1dcc234-e85a-439e-bda5-7599ae308ebf/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2023-11-21 22:06:46,368 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2023-11-21 22:06:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_writel [2023-11-21 22:06:46,368 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_writel [2023-11-21 22:06:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-21 22:06:46,370 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-21 22:06:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-21 22:06:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-21 22:06:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-21 22:06:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-21 22:06:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_disable [2023-11-21 22:06:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_disable [2023-11-21 22:06:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_enqueue [2023-11-21 22:06:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_enqueue [2023-11-21 22:06:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:06:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:06:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:06:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:06:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2023-11-21 22:06:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2023-11-21 22:06:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_enable_event [2023-11-21 22:06:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_enable_event [2023-11-21 22:06:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-21 22:06:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-21 22:06:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_reset [2023-11-21 22:06:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_reset [2023-11-21 22:06:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 22:06:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 22:06:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:06:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:06:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-21 22:06:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-21 22:06:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-21 22:06:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-21 22:06:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2023-11-21 22:06:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2023-11-21 22:06:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2023-11-21 22:06:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2023-11-21 22:06:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_quiesce [2023-11-21 22:06:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_quiesce [2023-11-21 22:06:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_command_bit [2023-11-21 22:06:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_command_bit [2023-11-21 22:06:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:06:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:06:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:06:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:06:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-21 22:06:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-21 22:06:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_probe [2023-11-21 22:06:46,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_probe [2023-11-21 22:06:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-21 22:06:46,382 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-21 22:06:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_silence_controller [2023-11-21 22:06:46,382 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_silence_controller [2023-11-21 22:06:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:06:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:06:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:06:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:06:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_relinquish_port [2023-11-21 22:06:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_relinquish_port [2023-11-21 22:06:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2023-11-21 22:06:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2023-11-21 22:06:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:06:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:06:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-21 22:06:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-21 22:06:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-21 22:06:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-21 22:06:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_alloc [2023-11-21 22:06:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_alloc [2023-11-21 22:06:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-21 22:06:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-21 22:06:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2023-11-21 22:06:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2023-11-21 22:06:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:06:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:06:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:06:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2023-11-21 22:06:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2023-11-21 22:06:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_handed_over [2023-11-21 22:06:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_handed_over [2023-11-21 22:06:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-21 22:06:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-21 22:06:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:06:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:06:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-21 22:06:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-21 22:06:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-11-21 22:06:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-11-21 22:06:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-21 22:06:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-21 22:06:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_set_command_bit [2023-11-21 22:06:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_set_command_bit [2023-11-21 22:06:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-21 22:06:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-21 22:06:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:06:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:06:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_stop [2023-11-21 22:06:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_stop [2023-11-21 22:06:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-21 22:06:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-21 22:06:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-21 22:06:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-21 22:06:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_intr_unlinks [2023-11-21 22:06:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_intr_unlinks [2023-11-21 22:06:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:06:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:06:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:06:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:06:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-21 22:06:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-21 22:06:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:06:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:06:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2023-11-21 22:06:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2023-11-21 22:06:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-21 22:06:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-21 22:06:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-21 22:06:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-21 22:06:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:06:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:06:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fusbh200 [2023-11-21 22:06:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fusbh200 [2023-11-21 22:06:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 22:06:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 22:06:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-21 22:06:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-21 22:06:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:06:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:06:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_to_hcd [2023-11-21 22:06:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_to_hcd [2023-11-21 22:06:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-21 22:06:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-21 22:06:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:06:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2023-11-21 22:06:46,411 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2023-11-21 22:06:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-21 22:06:46,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-21 22:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2023-11-21 22:06:46,412 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2023-11-21 22:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_dequeue [2023-11-21 22:06:46,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_dequeue [2023-11-21 22:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2023-11-21 22:06:46,412 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2023-11-21 22:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_readl [2023-11-21 22:06:46,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_readl [2023-11-21 22:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_halt [2023-11-21 22:06:46,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_halt [2023-11-21 22:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 22:06:46,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 22:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer_complete [2023-11-21 22:06:46,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer_complete [2023-11-21 22:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-21 22:06:46,414 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-21 22:06:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_done [2023-11-21 22:06:46,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_done [2023-11-21 22:06:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-21 22:06:46,414 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-21 22:06:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_ASS [2023-11-21 22:06:46,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_ASS [2023-11-21 22:06:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_controller_death [2023-11-21 22:06:46,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_controller_death [2023-11-21 22:06:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_mem_cleanup [2023-11-21 22:06:46,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_mem_cleanup [2023-11-21 22:06:46,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-21 22:06:46,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-21 22:06:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:06:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-21 22:06:46,416 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-21 22:06:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-21 22:06:46,416 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-21 22:06:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-21 22:06:46,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-21 22:06:46,416 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_init [2023-11-21 22:06:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_init [2023-11-21 22:06:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:06:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:06:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:06:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:06:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_reset [2023-11-21 22:06:46,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_reset [2023-11-21 22:06:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-21 22:06:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-21 22:06:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 22:06:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 22:06:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_status_data [2023-11-21 22:06:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_status_data [2023-11-21 22:06:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:06:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:06:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-21 22:06:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-21 22:06:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 22:06:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 22:06:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:06:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 22:06:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 22:06:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_remove [2023-11-21 22:06:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_remove [2023-11-21 22:06:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2023-11-21 22:06:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2023-11-21 22:06:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-21 22:06:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-21 22:06:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:06:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:06:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2023-11-21 22:06:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2023-11-21 22:06:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_get_frame [2023-11-21 22:06:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_get_frame [2023-11-21 22:06:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:06:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:06:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_PSS [2023-11-21 22:06:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_PSS [2023-11-21 22:06:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:06:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-21 22:06:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:06:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:06:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 22:06:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 22:06:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-21 22:06:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-21 22:06:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2023-11-21 22:06:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2023-11-21 22:06:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-21 22:06:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-21 22:06:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:06:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_free [2023-11-21 22:06:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_free [2023-11-21 22:06:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-21 22:06:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-21 22:06:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qh_alloc [2023-11-21 22:06:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qh_alloc [2023-11-21 22:06:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-21 22:06:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-21 22:06:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:06:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:06:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-21 22:06:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-21 22:06:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2023-11-21 22:06:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2023-11-21 22:06:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fusbh200_init [2023-11-21 22:06:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fusbh200_init [2023-11-21 22:06:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-21 22:06:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-21 22:06:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-21 22:06:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-21 22:06:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 22:06:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 22:06:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2023-11-21 22:06:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2023-11-21 22:06:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_read_frame_index [2023-11-21 22:06:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_read_frame_index [2023-11-21 22:06:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-21 22:06:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-21 22:06:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_shutdown [2023-11-21 22:06:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_shutdown [2023-11-21 22:06:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-21 22:06:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-21 22:06:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-21 22:06:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-21 22:06:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-21 22:06:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-21 22:06:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_work [2023-11-21 22:06:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_work [2023-11-21 22:06:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-21 22:06:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-21 22:06:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:06:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:06:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-21 22:06:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-21 22:06:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 22:06:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 22:06:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-21 22:06:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-21 22:06:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 22:06:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 22:06:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_run [2023-11-21 22:06:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_run [2023-11-21 22:06:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-21 22:06:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-21 22:06:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 22:06:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 22:06:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:06:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:06:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-21 22:06:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-21 22:06:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-21 22:06:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-21 22:06:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:06:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_control [2023-11-21 22:06:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_control [2023-11-21 22:06:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-21 22:06:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-21 22:06:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_speed [2023-11-21 22:06:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_speed [2023-11-21 22:06:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer [2023-11-21 22:06:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer [2023-11-21 22:06:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_irq [2023-11-21 22:06:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_irq [2023-11-21 22:06:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-21 22:06:46,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-21 22:06:47,790 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:47,795 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:49,917 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:07:02,447 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 22:07:03,051 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:17,281 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:17,281 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:07:17,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:17 BoogieIcfgContainer [2023-11-21 22:07:17,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:17,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:17,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:17,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:17,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:40" (1/3) ... [2023-11-21 22:07:17,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287b5cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:17, skipping insertion in model container [2023-11-21 22:07:17,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:44" (2/3) ... [2023-11-21 22:07:17,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287b5cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:17, skipping insertion in model container [2023-11-21 22:07:17,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:17" (3/3) ... [2023-11-21 22:07:17,299 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2023-11-21 22:07:17,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:17,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:07:17,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:17,472 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;@39687f1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:17,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:07:17,492 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) [2023-11-21 22:07:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-21 22:07:17,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:17,517 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 22:07:17,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:17,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:17,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1030786252, now seen corresponding path program 1 times [2023-11-21 22:07:17,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:17,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475147006] [2023-11-21 22:07:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:07:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:07:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:07:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:07:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:07:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:07:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:07:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 22:07:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:07:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:07:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:07:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-21 22:07:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-21 22:07:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-21 22:07:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-21 22:07:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-21 22:07:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-21 22:07:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-21 22:07:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-21 22:07:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-21 22:07:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-21 22:07:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-21 22:07:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-21 22:07:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-21 22:07:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-21 22:07:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-21 22:07:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-21 22:07:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-21 22:07:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:07:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:20,478 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 22:07:20,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:20,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475147006] [2023-11-21 22:07:20,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475147006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:20,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:20,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:07:20,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400637826] [2023-11-21 22:07:20,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:20,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:20,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:20,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:20,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:20,533 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 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 22:07:22,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []