./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire --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 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:28,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:28,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:28,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:28,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:28,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:28,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:28,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:28,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:28,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:28,767 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:28,768 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:28,768 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:28,770 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:28,770 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:28,771 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:28,771 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:28,771 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:28,772 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:28,772 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:28,773 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:28,775 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:28,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:28,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:28,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:28,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:28,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:28,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:28,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:28,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:28,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:28,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:28,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:28,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:28,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:28,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:28,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:28,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:28,782 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:28,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:28,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:28,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:28,783 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:28,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:28,784 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_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a [2023-11-23 21:32:29,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:29,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:29,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:29,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:29,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:29,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-23 21:32:32,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:33,081 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:33,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-23 21:32:33,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/data/ba5990ce4/3bd508258b07420f8d0bae6131ea5345/FLAG5e0e82f17 [2023-11-23 21:32:33,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/data/ba5990ce4/3bd508258b07420f8d0bae6131ea5345 [2023-11-23 21:32:33,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:33,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:33,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:33,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:33,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:33,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:33" (1/1) ... [2023-11-23 21:32:33,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaa014a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:33, skipping insertion in model container [2023-11-23 21:32:33,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:33" (1/1) ... [2023-11-23 21:32:33,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:38,380 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_2dcfe3ea-ac89-4757-98c7-b676978a61ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2023-11-23 21:32:38,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:38,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:39,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [6840-6841] [2023-11-23 21:32:39,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [7921] [2023-11-23 21:32:39,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-23 21:32:39,371 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" (831), "i" (12UL)); [10494-10495] [2023-11-23 21:32:39,372 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [10500-10502] [2023-11-23 21:32:39,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [10534] [2023-11-23 21:32:39,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10537] [2023-11-23 21:32:39,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10540] [2023-11-23 21:32:39,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10543] [2023-11-23 21:32:39,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [10665] [2023-11-23 21:32:39,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10668] [2023-11-23 21:32:39,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10671] [2023-11-23 21:32:39,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10674] [2023-11-23 21:32:39,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [10685] [2023-11-23 21:32:39,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10688] [2023-11-23 21:32:39,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10691] [2023-11-23 21:32:39,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10694] [2023-11-23 21:32:39,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [10705] [2023-11-23 21:32:39,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10708] [2023-11-23 21:32:39,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10711] [2023-11-23 21:32:39,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10714] [2023-11-23 21:32:39,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [10725] [2023-11-23 21:32:39,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10728] [2023-11-23 21:32:39,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10731] [2023-11-23 21:32:39,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10734] [2023-11-23 21:32:39,626 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_2dcfe3ea-ac89-4757-98c7-b676978a61ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2023-11-23 21:32:39,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:40,135 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:40,136 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:40,144 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:40,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40 WrapperNode [2023-11-23 21:32:40,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:40,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:40,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:40,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:40,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:40,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:40,854 INFO L138 Inliner]: procedures = 649, calls = 4739, calls flagged for inlining = 324, calls inlined = 315, statements flattened = 13761 [2023-11-23 21:32:40,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:40,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:40,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:40,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:40,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:40,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:40,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:40,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:41,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:41,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:41,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:41,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:41,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:41,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:41,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:41,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:41,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (1/1) ... [2023-11-23 21:32:41,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:41,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:41,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcfe3ea-ac89-4757-98c7-b676978a61ae/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2023-11-23 21:32:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2023-11-23 21:32:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2023-11-23 21:32:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2023-11-23 21:32:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2023-11-23 21:32:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2023-11-23 21:32:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:32:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:32:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2023-11-23 21:32:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2023-11-23 21:32:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:32:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:32:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2023-11-23 21:32:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2023-11-23 21:32:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2023-11-23 21:32:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2023-11-23 21:32:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2023-11-23 21:32:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2023-11-23 21:32:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-23 21:32:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-23 21:32:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure drm_err [2023-11-23 21:32:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_err [2023-11-23 21:32:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:32:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:32:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2023-11-23 21:32:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2023-11-23 21:32:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-23 21:32:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-23 21:32:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2023-11-23 21:32:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2023-11-23 21:32:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2023-11-23 21:32:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2023-11-23 21:32:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2023-11-23 21:32:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2023-11-23 21:32:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-23 21:32:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-23 21:32:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2023-11-23 21:32:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2023-11-23 21:32:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:32:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:32:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:32:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:32:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2023-11-23 21:32:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2023-11-23 21:32:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2023-11-23 21:32:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2023-11-23 21:32:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2023-11-23 21:32:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2023-11-23 21:32:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2023-11-23 21:32:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2023-11-23 21:32:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2023-11-23 21:32:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2023-11-23 21:32:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:32:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:32:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2023-11-23 21:32:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2023-11-23 21:32:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2023-11-23 21:32:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2023-11-23 21:32:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2023-11-23 21:32:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2023-11-23 21:32:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2023-11-23 21:32:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2023-11-23 21:32:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2023-11-23 21:32:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2023-11-23 21:32:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2023-11-23 21:32:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2023-11-23 21:32:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:32:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2023-11-23 21:32:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2023-11-23 21:32:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2023-11-23 21:32:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2023-11-23 21:32:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2023-11-23 21:32:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2023-11-23 21:32:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:32:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2023-11-23 21:32:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2023-11-23 21:32:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2023-11-23 21:32:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2023-11-23 21:32:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2023-11-23 21:32:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2023-11-23 21:32:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2023-11-23 21:32:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2023-11-23 21:32:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:32:41,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:32:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2023-11-23 21:32:41,945 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2023-11-23 21:32:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2023-11-23 21:32:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2023-11-23 21:32:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:32:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:32:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:32:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2023-11-23 21:32:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2023-11-23 21:32:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2023-11-23 21:32:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2023-11-23 21:32:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-23 21:32:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-23 21:32:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:32:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:32:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:32:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:32:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2023-11-23 21:32:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2023-11-23 21:32:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:32:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:32:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2023-11-23 21:32:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2023-11-23 21:32:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2023-11-23 21:32:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2023-11-23 21:32:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2023-11-23 21:32:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2023-11-23 21:32:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2023-11-23 21:32:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2023-11-23 21:32:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2023-11-23 21:32:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2023-11-23 21:32:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:32:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:32:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2023-11-23 21:32:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2023-11-23 21:32:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:32:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:32:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:32:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:32:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:32:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:32:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2023-11-23 21:32:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2023-11-23 21:32:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2023-11-23 21:32:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2023-11-23 21:32:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2023-11-23 21:32:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2023-11-23 21:32:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:32:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2023-11-23 21:32:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2023-11-23 21:32:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2023-11-23 21:32:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2023-11-23 21:32:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-23 21:32:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-23 21:32:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-11-23 21:32:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-11-23 21:32:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2023-11-23 21:32:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2023-11-23 21:32:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2023-11-23 21:32:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2023-11-23 21:32:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:32:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:32:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:32:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:32:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2023-11-23 21:32:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2023-11-23 21:32:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:32:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:32:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2023-11-23 21:32:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2023-11-23 21:32:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2023-11-23 21:32:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2023-11-23 21:32:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:32:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:32:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:32:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:32:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2023-11-23 21:32:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2023-11-23 21:32:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_54 [2023-11-23 21:32:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_54 [2023-11-23 21:32:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2023-11-23 21:32:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-23 21:32:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-23 21:32:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:32:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2023-11-23 21:32:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2023-11-23 21:32:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-23 21:32:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-23 21:32:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2023-11-23 21:32:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2023-11-23 21:32:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2023-11-23 21:32:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2023-11-23 21:32:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:32:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure drm_ut_debug_printk [2023-11-23 21:32:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_ut_debug_printk [2023-11-23 21:32:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:32:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:32:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2023-11-23 21:32:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2023-11-23 21:32:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:32:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:32:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2023-11-23 21:32:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2023-11-23 21:32:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2023-11-23 21:32:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2023-11-23 21:32:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2023-11-23 21:32:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2023-11-23 21:32:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2023-11-23 21:32:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2023-11-23 21:32:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2023-11-23 21:32:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2023-11-23 21:32:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2023-11-23 21:32:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2023-11-23 21:32:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2023-11-23 21:32:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2023-11-23 21:32:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2023-11-23 21:32:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2023-11-23 21:32:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2023-11-23 21:32:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2023-11-23 21:32:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2023-11-23 21:32:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2023-11-23 21:32:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2023-11-23 21:32:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2023-11-23 21:32:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2023-11-23 21:32:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2023-11-23 21:32:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2023-11-23 21:32:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2023-11-23 21:32:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2023-11-23 21:32:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2023-11-23 21:32:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:32:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:32:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2023-11-23 21:32:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2023-11-23 21:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2023-11-23 21:32:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2023-11-23 21:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2023-11-23 21:32:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2023-11-23 21:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:32:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:32:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2023-11-23 21:32:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2023-11-23 21:32:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:32:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:32:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2023-11-23 21:32:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2023-11-23 21:32:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-23 21:32:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-23 21:32:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2023-11-23 21:32:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2023-11-23 21:32:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-23 21:32:41,998 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-23 21:32:41,998 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2023-11-23 21:32:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2023-11-23 21:32:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-23 21:32:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-23 21:32:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2023-11-23 21:32:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2023-11-23 21:32:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2023-11-23 21:32:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2023-11-23 21:32:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:32:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:32:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2023-11-23 21:32:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2023-11-23 21:32:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2023-11-23 21:32:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2023-11-23 21:32:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2023-11-23 21:32:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2023-11-23 21:32:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:43,339 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:43,344 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:43,548 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:33:03,845 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:33:12,100 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:33:12,100 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:33:12,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:12 BoogieIcfgContainer [2023-11-23 21:33:12,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:33:12,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:33:12,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:33:12,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:33:12,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:33" (1/3) ... [2023-11-23 21:33:12,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739fa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:12, skipping insertion in model container [2023-11-23 21:33:12,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:40" (2/3) ... [2023-11-23 21:33:12,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739fa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:12, skipping insertion in model container [2023-11-23 21:33:12,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:12" (3/3) ... [2023-11-23 21:33:12,113 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-23 21:33:12,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:33:12,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:33:12,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:33:12,252 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;@462fd425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:33:12,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:33:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 2648 states, 1599 states have (on average 1.3971232020012507) internal successors, (2234), 1694 states have internal predecessors, (2234), 927 states have call successors, (927), 121 states have call predecessors, (927), 120 states have return successors, (909), 887 states have call predecessors, (909), 909 states have call successors, (909) [2023-11-23 21:33:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 21:33:12,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:12,292 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:33:12,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:12,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:12,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1182396923, now seen corresponding path program 1 times [2023-11-23 21:33:12,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:33:12,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295221117] [2023-11-23 21:33:12,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:12,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:33:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-23 21:33:14,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:33:14,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295221117] [2023-11-23 21:33:14,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295221117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:33:14,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:33:14,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:33:14,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082068222] [2023-11-23 21:33:14,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:33:14,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:33:14,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:33:14,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:33:14,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:33:14,542 INFO L87 Difference]: Start difference. First operand has 2648 states, 1599 states have (on average 1.3971232020012507) internal successors, (2234), 1694 states have internal predecessors, (2234), 927 states have call successors, (927), 121 states have call predecessors, (927), 120 states have return successors, (909), 887 states have call predecessors, (909), 909 states have call successors, (909) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19)