./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 9bd2c7ff 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_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.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_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddf5a1a49f314301e8909becfbc4609d48a707110e74ebac2933b9b32da37a44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:10:39,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:10:39,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:10:39,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:10:39,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:10:39,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:10:39,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:10:39,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:10:39,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:10:39,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:10:39,892 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:10:39,894 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:10:39,895 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:10:39,897 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:10:39,897 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:10:39,898 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:10:39,899 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:10:39,899 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:10:39,900 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:10:39,901 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:10:39,901 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:10:39,902 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:10:39,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:10:39,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:10:39,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:10:39,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:10:39,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:10:39,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:10:39,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:10:39,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:10:39,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:10:39,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:10:39,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:10:39,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:39,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:10:39,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:10:39,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:10:39,912 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:10:39,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:10:39,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:10:39,913 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:10:39,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:10:39,914 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_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddf5a1a49f314301e8909becfbc4609d48a707110e74ebac2933b9b32da37a44 [2023-11-19 04:10:40,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:10:40,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:10:40,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:10:40,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:10:40,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:10:40,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:10:44,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:10:44,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:10:44,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/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 [2023-11-19 04:10:44,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/data/5b146e7df/18e4b9f303d2413799a5b100b885d0c4/FLAG3b302e456 [2023-11-19 04:10:44,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/data/5b146e7df/18e4b9f303d2413799a5b100b885d0c4 [2023-11-19 04:10:44,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:10:44,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:10:44,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:44,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:10:44,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:10:44,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:44" (1/1) ... [2023-11-19 04:10:44,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b3055a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:44, skipping insertion in model container [2023-11-19 04:10:44,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:44" (1/1) ... [2023-11-19 04:10:44,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:10:45,414 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-11-19 04:10:45,415 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] [2023-11-19 04:10:45,778 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_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/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] [2023-11-19 04:10:46,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:46,644 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:10:46,747 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2411] [2023-11-19 04:10:46,747 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] [2023-11-19 04:10:46,750 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] [2023-11-19 04:10:46,754 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] [2023-11-19 04:10:46,754 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] [2023-11-19 04:10:46,756 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] [2023-11-19 04:10:46,756 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] [2023-11-19 04:10:46,757 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] [2023-11-19 04:10:46,757 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] [2023-11-19 04:10:46,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [2622] [2023-11-19 04:10:46,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [2625] [2023-11-19 04:10:46,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [2627] [2023-11-19 04:10:46,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [2632] [2023-11-19 04:10:46,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [2635] [2023-11-19 04:10:46,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [2637] [2023-11-19 04:10:46,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [2642] [2023-11-19 04:10:46,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [2645] [2023-11-19 04:10:46,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [2647] [2023-11-19 04:10:46,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [2652] [2023-11-19 04:10:46,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [2655] [2023-11-19 04:10:46,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [2657] [2023-11-19 04:10:46,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [2675] [2023-11-19 04:10:46,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [2678] [2023-11-19 04:10:46,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [2680] [2023-11-19 04:10:46,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [2685] [2023-11-19 04:10:46,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [2688] [2023-11-19 04:10:46,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [2690] [2023-11-19 04:10:46,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [2695] [2023-11-19 04:10:46,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [2698] [2023-11-19 04:10:46,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [2700] [2023-11-19 04:10:46,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [2705] [2023-11-19 04:10:46,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [2708] [2023-11-19 04:10:46,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [2710] [2023-11-19 04:10:46,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2764] [2023-11-19 04:10:46,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [2772] [2023-11-19 04:10:46,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2779] [2023-11-19 04:10:46,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [2786] [2023-11-19 04:10:46,775 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_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/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] [2023-11-19 04:10:46,787 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] [2023-11-19 04:10:46,788 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] [2023-11-19 04:10:46,793 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] [2023-11-19 04:10:46,795 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] [2023-11-19 04:10:46,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3207] [2023-11-19 04:10:46,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3214] [2023-11-19 04:10:47,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4086] [2023-11-19 04:10:47,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4117] [2023-11-19 04:10:47,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4147] [2023-11-19 04:10:47,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4607] [2023-11-19 04:10:47,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:47,248 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:10:47,258 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:10:47,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47 WrapperNode [2023-11-19 04:10:47,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:47,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:47,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:10:47,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:10:47,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,568 INFO L138 Inliner]: procedures = 182, calls = 1226, calls flagged for inlining = 104, calls inlined = 97, statements flattened = 3526 [2023-11-19 04:10:47,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:47,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:10:47,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:10:47,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:10:47,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:10:47,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:10:47,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:10:47,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:10:47,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (1/1) ... [2023-11-19 04:10:47,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:47,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:47,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:10:47,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:10:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:10:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:10:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-19 04:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-19 04:10:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:10:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:10:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 04:10:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 04:10:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:10:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:10:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:10:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:10:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-19 04:10:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-19 04:10:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2023-11-19 04:10:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2023-11-19 04:10:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_priv [2023-11-19 04:10:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_priv [2023-11-19 04:10:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 04:10:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 04:10:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:10:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:10:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:10:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 04:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 04:10:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:10:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:10:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:10:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 04:10:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 04:10:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-19 04:10:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-19 04:10:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:10:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:10:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:10:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:10:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_transfer_data [2023-11-19 04:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_transfer_data [2023-11-19 04:10:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:10:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:10:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-19 04:10:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-19 04:10:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 04:10:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 04:10:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:10:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:10:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:10:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_complete_cmd [2023-11-19 04:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_complete_cmd [2023-11-19 04:10:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 04:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 04:10:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 04:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 04:10:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-19 04:10:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-19 04:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:10:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_next_req [2023-11-19 04:10:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_next_req [2023-11-19 04:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 04:10:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 04:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:10:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_pmos [2023-11-19 04:10:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_pmos [2023-11-19 04:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_remove [2023-11-19 04:10:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_remove [2023-11-19 04:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 04:10:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 04:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:10:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:10:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 04:10:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 04:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_free_host [2023-11-19 04:10:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_free_host [2023-11-19 04:10:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 04:10:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 04:10:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 04:10:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 04:10:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:10:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:10:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:10:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:10:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:10:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure jmb38x_ms_issue_cmd [2023-11-19 04:10:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure jmb38x_ms_issue_cmd [2023-11-19 04:10:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:10:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:10:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_detect_change [2023-11-19 04:10:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_detect_change [2023-11-19 04:10:48,689 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:10:48,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:10:50,066 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:10:52,257 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:10:54,427 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:10:54,427 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:10:54,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:54 BoogieIcfgContainer [2023-11-19 04:10:54,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:10:54,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:10:54,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:10:54,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:10:54,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:10:44" (1/3) ... [2023-11-19 04:10:54,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2538dcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:54, skipping insertion in model container [2023-11-19 04:10:54,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:47" (2/3) ... [2023-11-19 04:10:54,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2538dcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:54, skipping insertion in model container [2023-11-19 04:10:54,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:54" (3/3) ... [2023-11-19 04:10:54,448 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 [2023-11-19 04:10:54,468 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:10:54,469 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:10:54,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:10:54,548 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=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;@4e3d30fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:10:54,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:10:54,557 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) [2023-11-19 04:10:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:10:54,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:54,590 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] [2023-11-19 04:10:54,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:54,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash -12899589, now seen corresponding path program 1 times [2023-11-19 04:10:54,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:54,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564341030] [2023-11-19 04:10:54,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:54,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:10:55,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:10:55,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564341030] [2023-11-19 04:10:55,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564341030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:55,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:55,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:10:55,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290009517] [2023-11-19 04:10:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:55,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:10:55,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:55,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:10:55,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:10:55,398 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 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 04:10:57,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:57,649 INFO L93 Difference]: Finished difference Result 1796 states and 2601 transitions. [2023-11-19 04:10:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:10:57,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 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 [2023-11-19 04:10:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:57,683 INFO L225 Difference]: With dead ends: 1796 [2023-11-19 04:10:57,684 INFO L226 Difference]: Without dead ends: 1098 [2023-11-19 04:10:57,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:10:57,698 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 665 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:57,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1647 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 04:10:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-11-19 04:10:57,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1098. [2023-11-19 04:10:57,939 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) [2023-11-19 04:10:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1576 transitions. [2023-11-19 04:10:57,957 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1576 transitions. Word has length 69 [2023-11-19 04:10:57,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:57,958 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1576 transitions. [2023-11-19 04:10:57,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 04:10:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1576 transitions. [2023-11-19 04:10:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:10:57,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:57,977 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] [2023-11-19 04:10:57,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:10:57,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:57,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:57,979 INFO L85 PathProgramCache]: Analyzing trace with hash 857894491, now seen corresponding path program 1 times [2023-11-19 04:10:57,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:57,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045629726] [2023-11-19 04:10:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:10:58,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:10:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045629726] [2023-11-19 04:10:58,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045629726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:58,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:58,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:10:58,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355901021] [2023-11-19 04:10:58,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:58,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:10:58,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:58,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:10:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:10:58,454 INFO L87 Difference]: Start difference. First operand 1098 states and 1576 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 04:11:00,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:00,124 INFO L93 Difference]: Finished difference Result 2190 states and 3146 transitions. [2023-11-19 04:11:00,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:11:00,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 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 [2023-11-19 04:11:00,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:00,138 INFO L225 Difference]: With dead ends: 2190 [2023-11-19 04:11:00,138 INFO L226 Difference]: Without dead ends: 1102 [2023-11-19 04:11:00,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:11:00,147 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 4 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:00,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1598 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 04:11:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2023-11-19 04:11:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1099. [2023-11-19 04:11:00,252 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) [2023-11-19 04:11:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1577 transitions. [2023-11-19 04:11:00,273 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1577 transitions. Word has length 84 [2023-11-19 04:11:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:00,275 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 1577 transitions. [2023-11-19 04:11:00,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 04:11:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1577 transitions. [2023-11-19 04:11:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:11:00,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:00,287 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] [2023-11-19 04:11:00,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:11:00,288 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:00,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:00,289 INFO L85 PathProgramCache]: Analyzing trace with hash -904762510, now seen corresponding path program 1 times [2023-11-19 04:11:00,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:00,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431218304] [2023-11-19 04:11:00,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:00,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:11:00,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:00,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431218304] [2023-11-19 04:11:00,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431218304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:00,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:00,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:11:00,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652317838] [2023-11-19 04:11:00,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:00,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:11:00,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:11:00,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:11:00,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:11:00,676 INFO L87 Difference]: Start difference. First operand 1099 states and 1577 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 04:11:02,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:02,938 INFO L93 Difference]: Finished difference Result 2222 states and 3197 transitions. [2023-11-19 04:11:02,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:11:02,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 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 [2023-11-19 04:11:02,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:03,010 INFO L225 Difference]: With dead ends: 2222 [2023-11-19 04:11:03,010 INFO L226 Difference]: Without dead ends: 1133 [2023-11-19 04:11:03,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:11:03,019 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 31 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2389 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:03,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2389 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 04:11:03,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2023-11-19 04:11:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1128. [2023-11-19 04:11:03,092 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) [2023-11-19 04:11:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1623 transitions. [2023-11-19 04:11:03,106 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1623 transitions. Word has length 85 [2023-11-19 04:11:03,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:03,107 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1623 transitions. [2023-11-19 04:11:03,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 04:11:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1623 transitions. [2023-11-19 04:11:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 04:11:03,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:03,114 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] [2023-11-19 04:11:03,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:11:03,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:03,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash 385529156, now seen corresponding path program 1 times [2023-11-19 04:11:03,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:03,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942670642] [2023-11-19 04:11:03,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:11:03,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:03,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942670642] [2023-11-19 04:11:03,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942670642] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:11:03,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170806724] [2023-11-19 04:11:03,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:03,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:11:03,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:03,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:11:03,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a36e36a7-acec-4d2f-9ef1-f37d8a55965c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:11:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:04,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 1517 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:11:04,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:04,347 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:11:04,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:11:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:11:04,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170806724] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:11:04,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1683513564] [2023-11-19 04:11:04,483 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2023-11-19 04:11:04,483 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:11:04,490 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:11:04,496 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:11:04,497 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:11:30,846 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1037 for LOIs