./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-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl --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 81d1008401e9b638c804223ae1edaed37e73b80d2f51872c4d92327d9c04897f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:29:10,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:29:10,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:29:10,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:29:10,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:29:10,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:29:10,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:29:10,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:29:10,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:29:10,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:29:10,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:29:10,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:29:10,318 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:29:10,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:29:10,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:29:10,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:29:10,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:29:10,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:29:10,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:29:10,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:29:10,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:29:10,325 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:29:10,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:29:10,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:29:10,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:29:10,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:10,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:29:10,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:29:10,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:29:10,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:29:10,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:29:10,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:29:10,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:29:10,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:29:10,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:29:10,333 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:29:10,333 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_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d1008401e9b638c804223ae1edaed37e73b80d2f51872c4d92327d9c04897f [2023-11-12 02:29:10,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:29:10,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:29:10,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:29:10,825 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:29:10,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:29:10,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-12 02:29:14,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:29:15,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:29:15,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-12 02:29:15,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/data/cd5cb762f/4c0211a82e1646a490f4623ce514cd6b/FLAG710f7daaa [2023-11-12 02:29:15,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/data/cd5cb762f/4c0211a82e1646a490f4623ce514cd6b [2023-11-12 02:29:15,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:29:15,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:29:15,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:15,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:29:15,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:29:15,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:15" (1/1) ... [2023-11-12 02:29:15,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1412e8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:15, skipping insertion in model container [2023-11-12 02:29:15,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:15" (1/1) ... [2023-11-12 02:29:15,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:29:18,390 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_e434d74b-3779-458c-9b2a-c30e7f26b408/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281155,281168] [2023-11-12 02:29:18,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:18,490 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:29:18,594 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"); [3818] [2023-11-12 02:29:18,596 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)); [3825] [2023-11-12 02:29:18,597 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3833-3834] [2023-11-12 02:29:18,599 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)); [3848-3849] [2023-11-12 02:29:18,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3857] [2023-11-12 02:29:18,603 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3957-3958] [2023-11-12 02:29:18,604 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3969-3970] [2023-11-12 02:29:18,605 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3973-3974] [2023-11-12 02:29:18,605 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3977-3978] [2023-11-12 02:29:18,606 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3981-3982] [2023-11-12 02:29:18,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4082] [2023-11-12 02:29:18,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4089] [2023-11-12 02:29:18,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (398), "i" (12UL)); [4731-4732] [2023-11-12 02:29:18,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (626), "i" (12UL)); [5016-5017] [2023-11-12 02:29:18,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (824), "i" (12UL)); [5313-5314] [2023-11-12 02:29:18,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5334] [2023-11-12 02:29:18,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [5553] [2023-11-12 02:29:18,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5604] [2023-11-12 02:29:18,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6038] [2023-11-12 02:29:18,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6096] [2023-11-12 02:29:18,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6111] [2023-11-12 02:29:18,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (1711), "i" (12UL)); [6238-6239] [2023-11-12 02:29:18,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (1714), "i" (12UL)); [6245-6246] [2023-11-12 02:29:18,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6256] [2023-11-12 02:29:18,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6277] [2023-11-12 02:29:18,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6567] [2023-11-12 02:29:18,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6658] [2023-11-12 02:29:18,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (2227), "i" (12UL)); [6876-6877] [2023-11-12 02:29:19,133 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_e434d74b-3779-458c-9b2a-c30e7f26b408/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281155,281168] [2023-11-12 02:29:19,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:19,276 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:29:19,276 WARN L672 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:29:19,285 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:29:19,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19 WrapperNode [2023-11-12 02:29:19,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:19,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:19,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:29:19,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:29:19,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:19,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:19,709 INFO L138 Inliner]: procedures = 268, calls = 3045, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 8209 [2023-11-12 02:29:19,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:19,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:29:19,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:29:19,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:29:19,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:19,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:19,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:19,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:20,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:20,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:20,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:20,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:20,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:29:20,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:29:20,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:29:20,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:29:20,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (1/1) ... [2023-11-12 02:29:20,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:20,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:20,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:20,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e434d74b-3779-458c-9b2a-c30e7f26b408/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:29:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2023-11-12 02:29:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2023-11-12 02:29:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-12 02:29:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-12 02:29:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-12 02:29:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-12 02:29:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:29:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:29:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 02:29:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 02:29:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:29:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:29:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:29:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:29:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2023-11-12 02:29:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2023-11-12 02:29:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:29:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:29:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-12 02:29:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-12 02:29:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:29:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:29:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2023-11-12 02:29:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2023-11-12 02:29:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2023-11-12 02:29:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2023-11-12 02:29:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2023-11-12 02:29:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2023-11-12 02:29:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:29:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:29:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-12 02:29:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-12 02:29:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2023-11-12 02:29:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2023-11-12 02:29:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2023-11-12 02:29:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2023-11-12 02:29:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:29:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:29:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2023-11-12 02:29:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2023-11-12 02:29:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-12 02:29:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-12 02:29:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:29:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:29:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2023-11-12 02:29:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2023-11-12 02:29:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2023-11-12 02:29:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2023-11-12 02:29:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-12 02:29:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-12 02:29:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:29:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:29:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 02:29:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 02:29:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-12 02:29:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-12 02:29:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2023-11-12 02:29:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2023-11-12 02:29:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:29:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:29:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:29:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-12 02:29:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-12 02:29:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:29:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-12 02:29:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-12 02:29:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 02:29:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:29:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:29:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2023-11-12 02:29:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2023-11-12 02:29:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:29:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:29:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2023-11-12 02:29:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2023-11-12 02:29:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-12 02:29:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-12 02:29:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2023-11-12 02:29:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2023-11-12 02:29:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:29:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:29:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-12 02:29:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-12 02:29:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2023-11-12 02:29:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2023-11-12 02:29:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-12 02:29:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-12 02:29:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-12 02:29:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-12 02:29:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2023-11-12 02:29:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2023-11-12 02:29:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:29:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:29:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2023-11-12 02:29:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2023-11-12 02:29:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 02:29:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 02:29:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:29:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:29:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2023-11-12 02:29:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2023-11-12 02:29:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2023-11-12 02:29:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-12 02:29:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-12 02:29:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:29:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:29:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-12 02:29:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-12 02:29:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-12 02:29:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-12 02:29:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:29:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2023-11-12 02:29:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2023-11-12 02:29:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:29:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:29:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2023-11-12 02:29:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2023-11-12 02:29:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 02:29:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 02:29:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:29:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2023-11-12 02:29:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2023-11-12 02:29:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:29:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:29:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2023-11-12 02:29:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2023-11-12 02:29:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-12 02:29:20,511 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-12 02:29:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:29:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:29:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:29:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:29:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:29:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-12 02:29:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-12 02:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-12 02:29:20,521 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-12 02:29:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2023-11-12 02:29:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2023-11-12 02:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2023-11-12 02:29:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2023-11-12 02:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-12 02:29:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-12 02:29:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:29:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:29:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 02:29:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 02:29:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:29:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:29:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:29:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 02:29:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 02:29:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:29:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:29:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 02:29:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 02:29:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2023-11-12 02:29:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2023-11-12 02:29:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2023-11-12 02:29:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2023-11-12 02:29:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:29:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:29:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-12 02:29:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-12 02:29:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:29:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-12 02:29:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-12 02:29:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2023-11-12 02:29:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2023-11-12 02:29:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2023-11-12 02:29:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2023-11-12 02:29:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2023-11-12 02:29:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2023-11-12 02:29:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:29:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:29:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 02:29:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 02:29:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:29:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2023-11-12 02:29:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2023-11-12 02:29:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2023-11-12 02:29:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2023-11-12 02:29:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-12 02:29:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-12 02:29:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-12 02:29:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-12 02:29:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:29:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:29:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-12 02:29:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-12 02:29:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:29:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2023-11-12 02:29:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2023-11-12 02:29:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2023-11-12 02:29:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2023-11-12 02:29:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-12 02:29:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-12 02:29:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:29:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:29:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2023-11-12 02:29:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2023-11-12 02:29:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 02:29:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 02:29:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2023-11-12 02:29:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2023-11-12 02:29:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-12 02:29:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-12 02:29:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2023-11-12 02:29:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2023-11-12 02:29:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:29:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:29:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:29:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:29:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-12 02:29:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-12 02:29:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2023-11-12 02:29:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2023-11-12 02:29:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2023-11-12 02:29:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2023-11-12 02:29:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2023-11-12 02:29:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2023-11-12 02:29:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-12 02:29:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-12 02:29:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-12 02:29:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-12 02:29:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-12 02:29:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-12 02:29:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-12 02:29:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-12 02:29:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:29:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:29:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-12 02:29:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-12 02:29:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 02:29:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 02:29:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2023-11-12 02:29:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2023-11-12 02:29:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2023-11-12 02:29:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2023-11-12 02:29:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:29:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:29:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 02:29:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 02:29:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:29:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:29:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-12 02:29:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-12 02:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2023-11-12 02:29:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2023-11-12 02:29:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:29:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2023-11-12 02:29:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2023-11-12 02:29:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2023-11-12 02:29:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2023-11-12 02:29:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2023-11-12 02:29:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2023-11-12 02:29:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:29:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:29:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:29:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:29:21,770 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:29:21,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:29:22,845 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:29:34,240 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:29:34,276 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:29:34,277 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:29:34,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:34 BoogieIcfgContainer [2023-11-12 02:29:34,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:29:34,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:29:34,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:29:34,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:29:34,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:29:15" (1/3) ... [2023-11-12 02:29:34,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e1ea5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:34, skipping insertion in model container [2023-11-12 02:29:34,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:19" (2/3) ... [2023-11-12 02:29:34,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e1ea5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:34, skipping insertion in model container [2023-11-12 02:29:34,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:34" (3/3) ... [2023-11-12 02:29:34,296 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-12 02:29:34,318 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:29:34,318 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:29:34,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:29:34,489 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;@488ed6dc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:29:34,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:29:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 3317 states, 2429 states have (on average 1.451214491560313) internal successors, (3525), 2495 states have internal predecessors, (3525), 765 states have call successors, (765), 122 states have call predecessors, (765), 121 states have return successors, (759), 749 states have call predecessors, (759), 759 states have call successors, (759) [2023-11-12 02:29:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-11-12 02:29:34,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:34,546 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:34,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:29:34,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:34,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1491127965, now seen corresponding path program 1 times [2023-11-12 02:29:34,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:34,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339753964] [2023-11-12 02:29:34,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:34,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:29:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:29:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:29:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:29:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:29:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:29:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:29:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:29:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:29:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:29:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:29:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:29:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-12 02:29:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-12 02:29:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-12 02:29:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-12 02:29:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-12 02:29:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-12 02:29:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:29:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-12 02:29:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-12 02:29:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-12 02:29:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-12 02:29:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-12 02:29:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:29:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-12 02:29:36,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339753964] [2023-11-12 02:29:36,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339753964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:36,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:36,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:29:36,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880577019] [2023-11-12 02:29:36,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:36,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:29:36,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:29:36,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:29:36,473 INFO L87 Difference]: Start difference. First operand has 3317 states, 2429 states have (on average 1.451214491560313) internal successors, (3525), 2495 states have internal predecessors, (3525), 765 states have call successors, (765), 122 states have call predecessors, (765), 121 states have return successors, (759), 749 states have call predecessors, (759), 759 states have call successors, (759) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-12 02:29:52,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:29:54,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:29:56,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:29:58,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:00,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []