./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4d7e27b05b7d29de43132756dbb614e1cb7b4e1900112b2ec79bc9c084c63eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:08:10,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:08:10,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-06 21:08:10,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:08:10,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:08:10,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:08:10,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:08:10,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:08:10,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:08:10,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:08:10,484 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:08:10,485 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:08:10,486 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:08:10,486 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:08:10,487 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:08:10,488 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:08:10,488 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:08:10,489 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:08:10,490 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:08:10,490 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:08:10,491 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:08:10,492 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:08:10,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:08:10,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:08:10,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:08:10,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:08:10,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:08:10,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:08:10,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:08:10,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:08:10,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:08:10,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:08:10,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:08:10,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:08:10,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:08:10,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:08:10,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:08:10,499 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:08:10,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:08:10,500 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:08:10,500 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:08:10,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:08:10,501 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7e27b05b7d29de43132756dbb614e1cb7b4e1900112b2ec79bc9c084c63eb [2023-11-06 21:08:10,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:08:10,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:08:10,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:08:10,778 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:08:10,779 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:08:10,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2023-11-06 21:08:13,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:08:14,548 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:08:14,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2023-11-06 21:08:14,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/data/e2d9491c5/3726f4c7e5f249119b6407156ac46670/FLAGa42ac9d9c [2023-11-06 21:08:14,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/data/e2d9491c5/3726f4c7e5f249119b6407156ac46670 [2023-11-06 21:08:14,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:08:14,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:08:14,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:08:14,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:08:14,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:08:14,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:14" (1/1) ... [2023-11-06 21:08:14,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506dd873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:14, skipping insertion in model container [2023-11-06 21:08:14,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:14" (1/1) ... [2023-11-06 21:08:14,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:08:16,362 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_da45f16e-cce0-47f1-9bdb-13168f00515f/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i[218115,218128] [2023-11-06 21:08:16,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:08:16,498 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:08:16,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "b " "%%" "gs" ":" "%P" "1" ",%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [4601-4608] [2023-11-06 21:08:16,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "w " "%%" "gs" ":" "%P" "1" ",%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4611-4618] [2023-11-06 21:08:16,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "l " "%%" "gs" ":" "%P" "1" ",%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4621-4628] [2023-11-06 21:08:16,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "q " "%%" "gs" ":" "%P" "1" ",%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4631-4638] [2023-11-06 21:08:16,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\t" "call %P[old]" "\n662:\n" ".section .altinstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "661b\n" " " ".quad" " " "663f\n" "\t .word " "(3*32+16)" "\n" "\t .byte 662b-661b\n" "\t .byte 664f-663f\n" ".previous\n" ".section .discard,\"aw\",@progbits\n" "\t .byte 0xff + (664f-663f) - (662b-661b)\n" ".previous\n" ".section .altinstr_replacement, \"ax\"\n" "663:\n\t" "call %P[new]" "\n664:\n" ".previous": "=a" (ret), "=D" (to), "=S" (from), "=d" (len): [old] "i" (& copy_user_generic_unrolled), [new] "i" (& copy_user_generic_string), "1" (to), "2" (from), "3" (len): "memory", "rcx", "r8", "r9", "r10", "r11"); [4715-4746] [2023-11-06 21:08:16,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "b" " %" "b" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "iq" (*((u8 *)src)), "m" (*((struct __large_struct *)((u8 *)dst))), "i" (1), "0" (ret)); [4789-4812] [2023-11-06 21:08:16,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "w" " %" "w" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "ir" (*((u16 *)src)), "m" (*((struct __large_struct *)((u16 *)dst))), "i" (2), "0" (ret)); [4815-4838] [2023-11-06 21:08:16,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "l" " %" "k" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "ir" (*((u32 *)src)), "m" (*((struct __large_struct *)((u32 *)dst))), "i" (4), "0" (ret)); [4841-4864] [2023-11-06 21:08:16,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "q" " %" "" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "er" (*((u64 *)src)), "m" (*((struct __large_struct *)((u64 *)dst))), "i" (8), "0" (ret)); [4867-4890] [2023-11-06 21:08:16,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "q" " %" "" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "er" (*((u64 *)src)), "m" (*((struct __large_struct *)((u64 *)dst))), "i" (10), "0" (ret)); [4894-4917] [2023-11-06 21:08:16,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": : : "memory"); [4924] [2023-11-06 21:08:16,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "w" " %" "w" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "ir" (*((u16 *)src + 4)), "m" (*((struct __large_struct *)((u16 *)dst + 4))), "i" (2), "0" (ret)); [4925-4948] [2023-11-06 21:08:16,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "q" " %" "" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "er" (*((u64 *)src)), "m" (*((struct __large_struct *)((u64 *)dst))), "i" (16), "0" (ret)); [4952-4975] [2023-11-06 21:08:16,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": : : "memory"); [4982] [2023-11-06 21:08:16,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tmov" "q" " %" "" "1,%2\n" "2:\n" ".section .fixup,\"ax\"\n" "3:\tmov %3,%0\n" "\tjmp 2b\n" ".previous\n" " .section __ex_table,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " "1b" "," "3b" "\n" " .previous\n": "=r" (ret): "er" (*((u64 *)src + 1)), "m" (*((struct __large_struct *)((u64 *)dst + 1))), "i" (8), "0" (ret)); [4983-5006] [2023-11-06 21:08:16,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("add %3,%1 ; sbb %0,%0 ; cmp %1,%4 ; sbb $0,%0": "=&r" (flag), "=r" (roksum): "1" (buf), "g" ((long )len), "rm" (tmp___7->addr_limit.seg)); [5828-5829] [2023-11-06 21:08:16,934 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_da45f16e-cce0-47f1-9bdb-13168f00515f/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i[218115,218128] [2023-11-06 21:08:16,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:08:17,003 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:08:17,011 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:08:17,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17 WrapperNode [2023-11-06 21:08:17,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:08:17,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:08:17,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:08:17,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:08:17,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,250 INFO L138 Inliner]: procedures = 119, calls = 941, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 2496 [2023-11-06 21:08:17,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:08:17,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:08:17,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:08:17,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:08:17,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:08:17,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:08:17,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:08:17,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:08:17,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (1/1) ... [2023-11-06 21:08:17,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:08:17,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:08:17,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:08:17,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da45f16e-cce0-47f1-9bdb-13168f00515f/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:08:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2023-11-06 21:08:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-06 21:08:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:08:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_await_ready2 [2023-11-06 21:08:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_await_ready2 [2023-11-06 21:08:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_await_ready1 [2023-11-06 21:08:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_await_ready1 [2023-11-06 21:08:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2023-11-06 21:08:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2023-11-06 21:08:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure cqcam_cleanup [2023-11-06 21:08:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cqcam_cleanup [2023-11-06 21:08:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:08:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_set_ack [2023-11-06 21:08:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_set_ack [2023-11-06 21:08:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure qc_setup [2023-11-06 21:08:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_setup [2023-11-06 21:08:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure cq_detach [2023-11-06 21:08:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_detach [2023-11-06 21:08:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:08:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:08:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2023-11-06 21:08:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2023-11-06 21:08:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_set [2023-11-06 21:08:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_set [2023-11-06 21:08:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 21:08:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 21:08:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-06 21:08:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-06 21:08:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_ready2 [2023-11-06 21:08:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_ready2 [2023-11-06 21:08:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:08:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 21:08:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 21:08:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_ready1 [2023-11-06 21:08:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_ready1 [2023-11-06 21:08:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure cq_attach [2023-11-06 21:08:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_attach [2023-11-06 21:08:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2023-11-06 21:08:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2023-11-06 21:08:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_read_data [2023-11-06 21:08:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_read_data [2023-11-06 21:08:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:08:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-06 21:08:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-06 21:08:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2023-11-06 21:08:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2023-11-06 21:08:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-06 21:08:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-06 21:08:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-06 21:08:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-06 21:08:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:08:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 21:08:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 21:08:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:08:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:08:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 21:08:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:08:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:08:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 21:08:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 21:08:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-06 21:08:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-06 21:08:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:08:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 21:08:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 21:08:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure cqcam_init [2023-11-06 21:08:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cqcam_init [2023-11-06 21:08:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-06 21:08:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-06 21:08:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:08:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:08:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 21:08:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 21:08:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 21:08:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 21:08:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_read_bytes [2023-11-06 21:08:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_read_bytes [2023-11-06 21:08:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 21:08:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 21:08:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2023-11-06 21:08:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2023-11-06 21:08:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure qc_reset [2023-11-06 21:08:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_reset [2023-11-06 21:08:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_try_fmt_vid_cap [2023-11-06 21:08:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_try_fmt_vid_cap [2023-11-06 21:08:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:08:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:08:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:08:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_write_data [2023-11-06 21:08:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_write_data [2023-11-06 21:08:18,201 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:08:18,204 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:08:19,771 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 21:08:19,772 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 21:08:19,776 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 21:08:19,782 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 21:08:19,783 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 21:08:19,787 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 21:08:33,010 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_switch_default#1: SUMMARY for call __copy_to_user_#t~ret12#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2023-11-06 21:08:33,010 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_case_16#1: __copy_to_user_~tmp___9~0#1 := (if !(0 == __copy_to_user_~ret~1#1) then 1 else 0); [2023-11-06 21:08:33,010 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L5010: __copy_to_user_~tmp___11~0#1 := __copy_to_user_#t~ret12#1;havoc __copy_to_user_#t~ret12#1;__copy_to_user_~tmp___10~0#1 := __copy_to_user_~tmp___11~0#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___10~0#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___10~0#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___10~0#1 % 18446744073709551616 % 4294967296 - 4294967296); [2023-11-06 21:08:33,010 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_case_8#1: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2023-11-06 21:08:33,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2023-11-06 21:08:33,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_case_2#1: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_case_10#1: __copy_to_user_~tmp___8~0#1 := (if !(0 == __copy_to_user_~ret~1#1) then 1 else 0); [2023-11-06 21:08:33,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_case_4#1: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,011 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume false; [2023-11-06 21:08:33,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##237: assume !false; [2023-11-06 21:08:33,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume !false; [2023-11-06 21:08:33,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##244: assume false; [2023-11-06 21:08:33,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4771: assume 2 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2023-11-06 21:08:33,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4771: assume !(2 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2023-11-06 21:08:33,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4774: assume 4 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2023-11-06 21:08:33,013 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4774: assume !(4 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2023-11-06 21:08:33,013 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4777: assume 8 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2023-11-06 21:08:33,013 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4777: assume !(8 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2023-11-06 21:08:33,013 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4978: assume 0 != __copy_to_user_~tmp___9~0#1;__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,013 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4978: assume !(0 != __copy_to_user_~tmp___9~0#1);__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,014 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4780: assume 10 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2023-11-06 21:08:33,014 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4780: assume !(10 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2023-11-06 21:08:33,014 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2023-11-06 21:08:33,014 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4783: assume 16 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2023-11-06 21:08:33,014 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4783: assume !(16 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2023-11-06 21:08:33,014 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2023-11-06 21:08:33,015 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2023-11-06 21:08:33,015 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2023-11-06 21:08:33,015 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_case_1#1: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,015 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4920: assume 0 != __copy_to_user_~tmp___8~0#1;__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,015 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L4920: assume !(0 != __copy_to_user_~tmp___8~0#1);__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2023-11-06 21:08:33,015 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !(1 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2023-11-06 21:08:33,016 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume 1 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2023-11-06 21:08:33,016 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume !false; [2023-11-06 21:08:33,016 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume false; [2023-11-06 21:08:33,137 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:08:34,371 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:08:34,372 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-06 21:08:34,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:34 BoogieIcfgContainer [2023-11-06 21:08:34,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:08:34,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:08:34,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:08:34,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:08:34,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:08:14" (1/3) ... [2023-11-06 21:08:34,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16edb79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:34, skipping insertion in model container [2023-11-06 21:08:34,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:17" (2/3) ... [2023-11-06 21:08:34,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16edb79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:34, skipping insertion in model container [2023-11-06 21:08:34,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:34" (3/3) ... [2023-11-06 21:08:34,397 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2023-11-06 21:08:34,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:08:34,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:08:34,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:08:34,521 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5c41c635, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 21:08:34,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:08:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 574 states, 355 states have (on average 1.3492957746478873) internal successors, (479), 363 states have internal predecessors, (479), 180 states have call successors, (180), 37 states have call predecessors, (180), 37 states have return successors, (180), 178 states have call predecessors, (180), 180 states have call successors, (180) [2023-11-06 21:08:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 21:08:34,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:08:34,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:08:34,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:08:34,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:08:34,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1320534746, now seen corresponding path program 1 times [2023-11-06 21:08:34,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 21:08:34,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093075778] [2023-11-06 21:08:34,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:08:34,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:08:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat