./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddf5a1a49f314301e8909becfbc4609d48a707110e74ebac2933b9b32da37a44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:31,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:31,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:02:31,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:31,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:31,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:31,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:31,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:31,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:31,554 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:31,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:31,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:31,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:31,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:31,562 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:31,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:31,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:31,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:31,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:31,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:31,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:31,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:31,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:31,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:31,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:31,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:31,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:31,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:31,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:31,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:31,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:31,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:31,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:31,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:31,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:31,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:31,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:31,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:31,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:31,585 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_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddf5a1a49f314301e8909becfbc4609d48a707110e74ebac2933b9b32da37a44 [2023-11-21 21:02:31,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:31,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:31,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:31,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:31,968 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:31,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-11-21 21:02:35,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:35,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:35,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-11-21 21:02:35,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/data/821c58373/a10334b238c648179c0f8e212059b755/FLAG08009ad02 [2023-11-21 21:02:35,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/data/821c58373/a10334b238c648179c0f8e212059b755 [2023-11-21 21:02:35,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:35,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:35,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:35,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:35,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:35,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:35,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14622552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:35, skipping insertion in model container [2023-11-21 21:02:35,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:35" (1/1) ... [2023-11-21 21:02:36,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:36,703 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-11-21 21:02:36,704 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2412-2413] [2023-11-21 21:02:37,047 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_82505703-a984-43a0-a5ff-63031c8fc9f2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i[85029,85042] [2023-11-21 21:02:37,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:37,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:38,031 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-11-21 21:02:38,031 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2412-2413] [2023-11-21 21:02:38,034 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"); [2497-2498] [2023-11-21 21:02:38,037 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [2525-2526] [2023-11-21 21:02:38,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2531-2533] [2023-11-21 21:02:38,039 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [2555-2556] [2023-11-21 21:02:38,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [2561-2563] [2023-11-21 21:02:38,041 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [2584-2585] [2023-11-21 21:02:38,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2590-2592] [2023-11-21 21:02:38,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [2622] [2023-11-21 21:02:38,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [2625] [2023-11-21 21:02:38,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [2627] [2023-11-21 21:02:38,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [2632] [2023-11-21 21:02:38,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [2635] [2023-11-21 21:02:38,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [2637] [2023-11-21 21:02:38,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [2642] [2023-11-21 21:02:38,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [2645] [2023-11-21 21:02:38,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [2647] [2023-11-21 21:02:38,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [2652] [2023-11-21 21:02:38,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [2655] [2023-11-21 21:02:38,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [2657] [2023-11-21 21:02:38,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [2675] [2023-11-21 21:02:38,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [2678] [2023-11-21 21:02:38,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [2680] [2023-11-21 21:02:38,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [2685] [2023-11-21 21:02:38,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [2688] [2023-11-21 21:02:38,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [2690] [2023-11-21 21:02:38,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [2695] [2023-11-21 21:02:38,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [2698] [2023-11-21 21:02:38,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [2700] [2023-11-21 21:02:38,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [2705] [2023-11-21 21:02:38,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [2708] [2023-11-21 21:02:38,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [2710] [2023-11-21 21:02:38,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2764] [2023-11-21 21:02:38,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [2772] [2023-11-21 21:02:38,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2779] [2023-11-21 21:02:38,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [2786] [2023-11-21 21:02:38,060 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_82505703-a984-43a0-a5ff-63031c8fc9f2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i[85029,85042] [2023-11-21 21:02:38,078 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 *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [3029-3030] [2023-11-21 21:02:38,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [3037-3038] [2023-11-21 21:02:38,084 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (52), "i" (12UL)); [3116-3117] [2023-11-21 21:02:38,085 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (65), "i" (12UL)); [3141-3142] [2023-11-21 21:02:38,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3207] [2023-11-21 21:02:38,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3214] [2023-11-21 21:02:38,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4086] [2023-11-21 21:02:38,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4117] [2023-11-21 21:02:38,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4147] [2023-11-21 21:02:38,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4607] [2023-11-21 21:02:38,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:38,384 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:38,393 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:38,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38 WrapperNode [2023-11-21 21:02:38,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:38,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:38,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:38,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:38,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:38,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:38,696 INFO L138 Inliner]: procedures = 182, calls = 1226, calls flagged for inlining = 104, calls inlined = 97, statements flattened = 3526 [2023-11-21 21:02:38,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:38,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:38,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:38,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:38,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:38,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:38,754 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,270 INFO L187 HeapSplitter]: Split 578 memory accesses to 12 slices as follows [377, 2, 2, 3, 1, 119, 3, 14, 7, 40, 7, 3] [2023-11-21 21:02:39,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:39,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:39,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:39,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:39,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (1/1) ... [2023-11-21 21:02:39,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:39,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:39,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:39,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 21:02:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 21:02:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-21 21:02:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-21 21:02:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 21:02:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 21:02:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 21:02:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 21:02:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:02:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:02:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:02:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:02:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:02:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:02:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 21:02:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 21:02:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 21:02:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 21:02:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 21:02:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 21:02:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 21:02:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 21:02:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 21:02:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 21:02:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 21:02:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 21:02:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-21 21:02:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-21 21:02:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-11-21 21:02:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-11-21 21:02:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_priv [2023-11-21 21:02:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_priv [2023-11-21 21:02:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-21 21:02:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-21 21:02:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 21:02:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 21:02:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:02:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:02:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:02:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:02:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:02:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:02:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 21:02:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 21:02:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 21:02:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 21:02:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 21:02:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 21:02:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-21 21:02:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-21 21:02:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 21:02:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 21:02:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 21:02:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 21:02:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 21:02:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 21:02:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-21 21:02:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-21 21:02:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 21:02:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 21:02:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 21:02:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 21:02:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 21:02:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 21:02:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_transfer_data [2023-11-21 21:02:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_transfer_data [2023-11-21 21:02:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:02:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-21 21:02:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-21 21:02:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-21 21:02:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-21 21:02:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 21:02:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 21:02:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 21:02:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 21:02:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 21:02:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-21 21:02:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-21 21:02:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-21 21:02:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-21 21:02:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-21 21:02:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-21 21:02:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-21 21:02:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 21:02:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_complete_cmd [2023-11-21 21:02:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_complete_cmd [2023-11-21 21:02:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-21 21:02:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-21 21:02:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-21 21:02:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-21 21:02:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-21 21:02:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-21 21:02:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 21:02:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 21:02:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 21:02:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 21:02:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 21:02:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-21 21:02:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-21 21:02:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-21 21:02:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-21 21:02:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-21 21:02:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-21 21:02:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-21 21:02:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 21:02:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 21:02:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_next_req [2023-11-21 21:02:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_next_req [2023-11-21 21:02:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-21 21:02:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-21 21:02:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 21:02:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 21:02:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_pmos [2023-11-21 21:02:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_pmos [2023-11-21 21:02:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_remove [2023-11-21 21:02:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_remove [2023-11-21 21:02:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 21:02:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 21:02:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 21:02:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 21:02:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 21:02:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 21:02:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 21:02:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 21:02:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 21:02:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 21:02:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 21:02:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-21 21:02:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-21 21:02:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-21 21:02:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 21:02:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 21:02:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-21 21:02:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-21 21:02:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_free_host [2023-11-21 21:02:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_free_host [2023-11-21 21:02:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 21:02:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 21:02:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 21:02:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 21:02:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 21:02:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 21:02:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:02:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:02:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:02:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:02:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:02:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 21:02:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 21:02:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 21:02:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 21:02:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 21:02:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 21:02:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 21:02:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 21:02:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_issue_cmd [2023-11-21 21:02:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_issue_cmd [2023-11-21 21:02:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_detect_change [2023-11-21 21:02:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_detect_change [2023-11-21 21:02:40,151 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:40,157 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:40,327 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 21:02:43,543 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:46,219 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:46,219 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:02:46,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:46 BoogieIcfgContainer [2023-11-21 21:02:46,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:46,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:46,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:46,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:46,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:35" (1/3) ... [2023-11-21 21:02:46,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f34a985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:46, skipping insertion in model container [2023-11-21 21:02:46,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:38" (2/3) ... [2023-11-21 21:02:46,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f34a985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:46, skipping insertion in model container [2023-11-21 21:02:46,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:46" (3/3) ... [2023-11-21 21:02:46,233 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--memstick--host--jmb38x_ms.ko-entry_point.cil.out.i [2023-11-21 21:02:46,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:46,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:02:46,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:46,352 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;@548eafd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:46,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:02:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 671 states, 440 states have (on average 1.3681818181818182) internal successors, (602), 463 states have internal predecessors, (602), 187 states have call successors, (187), 43 states have call predecessors, (187), 42 states have return successors, (181), 177 states have call predecessors, (181), 181 states have call successors, (181) [2023-11-21 21:02:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 21:02:46,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:46,407 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:46,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:46,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:46,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1673710895, now seen corresponding path program 1 times [2023-11-21 21:02:46,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:46,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730346598] [2023-11-21 21:02:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:46,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:02:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:02:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 21:02:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 21:02:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:02:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:02:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 21:02:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:02:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-21 21:02:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-21 21:02:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-21 21:02:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 21:02:47,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:47,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730346598] [2023-11-21 21:02:47,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730346598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:47,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:47,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:47,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934578621] [2023-11-21 21:02:47,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:47,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:02:47,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:47,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:02:47,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:02:47,674 INFO L87 Difference]: Start difference. First operand has 671 states, 440 states have (on average 1.3681818181818182) internal successors, (602), 463 states have internal predecessors, (602), 187 states have call successors, (187), 43 states have call predecessors, (187), 42 states have return successors, (181), 177 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-21 21:02:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:59,208 INFO L93 Difference]: Finished difference Result 1982 states and 2901 transitions. [2023-11-21 21:02:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:02:59,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2023-11-21 21:02:59,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:59,257 INFO L225 Difference]: With dead ends: 1982 [2023-11-21 21:02:59,257 INFO L226 Difference]: Without dead ends: 1280 [2023-11-21 21:02:59,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:59,274 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 944 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:59,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 1822 Invalid, 1992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [381 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-11-21 21:02:59,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2023-11-21 21:02:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1098. [2023-11-21 21:02:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 731 states have (on average 1.3392612859097128) internal successors, (979), 757 states have internal predecessors, (979), 299 states have call successors, (299), 68 states have call predecessors, (299), 67 states have return successors, (298), 290 states have call predecessors, (298), 298 states have call successors, (298) [2023-11-21 21:02:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1576 transitions. [2023-11-21 21:02:59,601 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1576 transitions. Word has length 69 [2023-11-21 21:02:59,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:59,602 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1576 transitions. [2023-11-21 21:02:59,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-21 21:02:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1576 transitions. [2023-11-21 21:02:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 21:02:59,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:59,628 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:59,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:02:59,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:59,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:59,630 INFO L85 PathProgramCache]: Analyzing trace with hash 317480638, now seen corresponding path program 1 times [2023-11-21 21:02:59,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:59,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247411883] [2023-11-21 21:02:59,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:59,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:03:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:03:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-21 21:03:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 21:03:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:03:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 21:03:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:03:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-21 21:03:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-21 21:03:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-21 21:03:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 21:03:00,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:00,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247411883] [2023-11-21 21:03:00,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247411883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:00,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:00,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:00,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415493022] [2023-11-21 21:03:00,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:00,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:03:00,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:00,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:03:00,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:00,467 INFO L87 Difference]: Start difference. First operand 1098 states and 1576 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-21 21:03:08,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:08,081 INFO L93 Difference]: Finished difference Result 2372 states and 3438 transitions. [2023-11-21 21:03:08,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:03:08,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 84 [2023-11-21 21:03:08,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:08,098 INFO L225 Difference]: With dead ends: 2372 [2023-11-21 21:03:08,099 INFO L226 Difference]: Without dead ends: 1284 [2023-11-21 21:03:08,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:08,113 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 157 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:08,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1779 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-11-21 21:03:08,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2023-11-21 21:03:08,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1099. [2023-11-21 21:03:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 732 states have (on average 1.3387978142076502) internal successors, (980), 758 states have internal predecessors, (980), 299 states have call successors, (299), 68 states have call predecessors, (299), 67 states have return successors, (298), 290 states have call predecessors, (298), 298 states have call successors, (298) [2023-11-21 21:03:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1577 transitions. [2023-11-21 21:03:08,261 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1577 transitions. Word has length 84 [2023-11-21 21:03:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:08,262 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 1577 transitions. [2023-11-21 21:03:08,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-21 21:03:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1577 transitions. [2023-11-21 21:03:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 21:03:08,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:08,276 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:08,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:03:08,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:03:08,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:08,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1447395729, now seen corresponding path program 1 times [2023-11-21 21:03:08,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:08,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174255434] [2023-11-21 21:03:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:03:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:03:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-21 21:03:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 21:03:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:03:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 21:03:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:03:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-21 21:03:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-21 21:03:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-21 21:03:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 21:03:09,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:09,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174255434] [2023-11-21 21:03:09,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174255434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:09,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:09,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 21:03:09,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146252809] [2023-11-21 21:03:09,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:09,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:09,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:09,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:09,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:09,268 INFO L87 Difference]: Start difference. First operand 1099 states and 1577 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-21 21:03:18,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:03:18,488 INFO L93 Difference]: Finished difference Result 2404 states and 3491 transitions. [2023-11-21 21:03:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:03:18,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 85 [2023-11-21 21:03:18,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:03:18,502 INFO L225 Difference]: With dead ends: 2404 [2023-11-21 21:03:18,502 INFO L226 Difference]: Without dead ends: 1315 [2023-11-21 21:03:18,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:18,518 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 184 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:03:18,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 2311 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-21 21:03:18,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2023-11-21 21:03:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1128. [2023-11-21 21:03:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 754 states have (on average 1.3421750663129974) internal successors, (1012), 781 states have internal predecessors, (1012), 306 states have call successors, (306), 68 states have call predecessors, (306), 67 states have return successors, (305), 297 states have call predecessors, (305), 305 states have call successors, (305) [2023-11-21 21:03:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1623 transitions. [2023-11-21 21:03:18,637 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1623 transitions. Word has length 85 [2023-11-21 21:03:18,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:03:18,637 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1623 transitions. [2023-11-21 21:03:18,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-21 21:03:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1623 transitions. [2023-11-21 21:03:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 21:03:18,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:18,648 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:18,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:03:18,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:03:18,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:18,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1936252161, now seen corresponding path program 1 times [2023-11-21 21:03:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:18,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051198331] [2023-11-21 21:03:18,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:18,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:03:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:03:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-21 21:03:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 21:03:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:03:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 21:03:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 21:03:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 21:03:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-21 21:03:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-21 21:03:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-21 21:03:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 21:03:19,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051198331] [2023-11-21 21:03:19,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051198331] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:03:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122926750] [2023-11-21 21:03:19,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:19,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:03:19,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:19,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:03:19,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82505703-a984-43a0-a5ff-63031c8fc9f2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:03:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:20,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 1633 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:03:20,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:03:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 21:03:20,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:03:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 21:03:20,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122926750] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:03:20,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:03:20,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2023-11-21 21:03:20,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059530472] [2023-11-21 21:03:20,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:03:20,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 21:03:20,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:20,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 21:03:20,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-21 21:03:20,477 INFO L87 Difference]: Start difference. First operand 1128 states and 1623 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)