./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 9bd2c7ff 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_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:26,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:27,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:40:27,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:27,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:27,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:27,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:27,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:27,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:27,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:27,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:27,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:27,095 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:27,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:27,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:27,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:27,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:27,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:27,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:27,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:27,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:27,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:27,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:27,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:27,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:27,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:27,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:27,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:27,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:27,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:27,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:27,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:27,106 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:27,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:27,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:27,107 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:27,108 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a [2023-11-19 07:40:27,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:27,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:27,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:27,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:27,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:27,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:40:30,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:31,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:31,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/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 [2023-11-19 07:40:31,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/data/3bca0619f/ceea3efd03f34857b4b27705b6146276/FLAG6f1a90f1d [2023-11-19 07:40:31,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/data/3bca0619f/ceea3efd03f34857b4b27705b6146276 [2023-11-19 07:40:31,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:31,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:31,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:31,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:31,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:31,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:31" (1/1) ... [2023-11-19 07:40:31,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b3a9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:31, skipping insertion in model container [2023-11-19 07:40:31,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:31" (1/1) ... [2023-11-19 07:40:31,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:36,410 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_385d1838-a7e9-405c-a52c-faff6de7b780/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] [2023-11-19 07:40:36,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:36,952 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:37,165 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] [2023-11-19 07:40:37,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [7921] [2023-11-19 07:40:37,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-19 07:40:37,405 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] [2023-11-19 07:40:37,405 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] [2023-11-19 07:40:37,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [10534] [2023-11-19 07:40:37,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10537] [2023-11-19 07:40:37,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10540] [2023-11-19 07:40:37,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10543] [2023-11-19 07:40:37,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [10665] [2023-11-19 07:40:37,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10668] [2023-11-19 07:40:37,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10671] [2023-11-19 07:40:37,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10674] [2023-11-19 07:40:37,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [10685] [2023-11-19 07:40:37,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10688] [2023-11-19 07:40:37,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10691] [2023-11-19 07:40:37,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10694] [2023-11-19 07:40:37,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [10705] [2023-11-19 07:40:37,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10708] [2023-11-19 07:40:37,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10711] [2023-11-19 07:40:37,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10714] [2023-11-19 07:40:37,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [10725] [2023-11-19 07:40:37,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10728] [2023-11-19 07:40:37,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10731] [2023-11-19 07:40:37,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10734] [2023-11-19 07:40:37,626 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_385d1838-a7e9-405c-a52c-faff6de7b780/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] [2023-11-19 07:40:37,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:37,996 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:37,997 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:38,003 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:38,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38 WrapperNode [2023-11-19 07:40:38,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:38,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:38,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:38,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:38,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,637 INFO L138 Inliner]: procedures = 649, calls = 4739, calls flagged for inlining = 324, calls inlined = 315, statements flattened = 13761 [2023-11-19 07:40:38,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:38,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:38,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:38,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:38,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:38,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:39,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:39,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:39,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:39,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:39,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:39,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:39,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:39,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:39,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (1/1) ... [2023-11-19 07:40:39,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:39,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:39,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:39,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385d1838-a7e9-405c-a52c-faff6de7b780/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2023-11-19 07:40:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2023-11-19 07:40:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2023-11-19 07:40:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2023-11-19 07:40:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2023-11-19 07:40:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2023-11-19 07:40:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:40:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:40:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2023-11-19 07:40:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2023-11-19 07:40:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:40:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:40:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2023-11-19 07:40:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2023-11-19 07:40:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2023-11-19 07:40:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2023-11-19 07:40:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2023-11-19 07:40:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2023-11-19 07:40:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-19 07:40:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-19 07:40:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure drm_err [2023-11-19 07:40:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_err [2023-11-19 07:40:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:40:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:40:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2023-11-19 07:40:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2023-11-19 07:40:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-19 07:40:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-19 07:40:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2023-11-19 07:40:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2023-11-19 07:40:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2023-11-19 07:40:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2023-11-19 07:40:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2023-11-19 07:40:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2023-11-19 07:40:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-19 07:40:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-19 07:40:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2023-11-19 07:40:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2023-11-19 07:40:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:40:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:40:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:40:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:40:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2023-11-19 07:40:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2023-11-19 07:40:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2023-11-19 07:40:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2023-11-19 07:40:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2023-11-19 07:40:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2023-11-19 07:40:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2023-11-19 07:40:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2023-11-19 07:40:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2023-11-19 07:40:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2023-11-19 07:40:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:40:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:40:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2023-11-19 07:40:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2023-11-19 07:40:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2023-11-19 07:40:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2023-11-19 07:40:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2023-11-19 07:40:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2023-11-19 07:40:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2023-11-19 07:40:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2023-11-19 07:40:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2023-11-19 07:40:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2023-11-19 07:40:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2023-11-19 07:40:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2023-11-19 07:40:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:40:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2023-11-19 07:40:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2023-11-19 07:40:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2023-11-19 07:40:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2023-11-19 07:40:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2023-11-19 07:40:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2023-11-19 07:40:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:40:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2023-11-19 07:40:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2023-11-19 07:40:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2023-11-19 07:40:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2023-11-19 07:40:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2023-11-19 07:40:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2023-11-19 07:40:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:40:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2023-11-19 07:40:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2023-11-19 07:40:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 07:40:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 07:40:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2023-11-19 07:40:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2023-11-19 07:40:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2023-11-19 07:40:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2023-11-19 07:40:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:40:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:40:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:40:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2023-11-19 07:40:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2023-11-19 07:40:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2023-11-19 07:40:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2023-11-19 07:40:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-19 07:40:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-19 07:40:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:40:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:40:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:40:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:40:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2023-11-19 07:40:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2023-11-19 07:40:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:40:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:40:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2023-11-19 07:40:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2023-11-19 07:40:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2023-11-19 07:40:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2023-11-19 07:40:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2023-11-19 07:40:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2023-11-19 07:40:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2023-11-19 07:40:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2023-11-19 07:40:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2023-11-19 07:40:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2023-11-19 07:40:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:40:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:40:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2023-11-19 07:40:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2023-11-19 07:40:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:40:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:40:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:40:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:40:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:40:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:40:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2023-11-19 07:40:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2023-11-19 07:40:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2023-11-19 07:40:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2023-11-19 07:40:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2023-11-19 07:40:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2023-11-19 07:40:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 07:40:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2023-11-19 07:40:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2023-11-19 07:40:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2023-11-19 07:40:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2023-11-19 07:40:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-19 07:40:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-19 07:40:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-11-19 07:40:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-11-19 07:40:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2023-11-19 07:40:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2023-11-19 07:40:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2023-11-19 07:40:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2023-11-19 07:40:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:40:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:40:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:40:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:40:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2023-11-19 07:40:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2023-11-19 07:40:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:40:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:40:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:40:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:40:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2023-11-19 07:40:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2023-11-19 07:40:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2023-11-19 07:40:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2023-11-19 07:40:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 07:40:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 07:40:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 07:40:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 07:40:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2023-11-19 07:40:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2023-11-19 07:40:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_54 [2023-11-19 07:40:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_54 [2023-11-19 07:40:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2023-11-19 07:40:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-19 07:40:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-19 07:40:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:40:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2023-11-19 07:40:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2023-11-19 07:40:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-19 07:40:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-19 07:40:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2023-11-19 07:40:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2023-11-19 07:40:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2023-11-19 07:40:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2023-11-19 07:40:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:40:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure drm_ut_debug_printk [2023-11-19 07:40:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_ut_debug_printk [2023-11-19 07:40:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:40:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:40:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2023-11-19 07:40:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2023-11-19 07:40:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:40:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:40:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2023-11-19 07:40:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2023-11-19 07:40:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2023-11-19 07:40:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2023-11-19 07:40:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2023-11-19 07:40:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2023-11-19 07:40:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2023-11-19 07:40:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2023-11-19 07:40:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2023-11-19 07:40:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2023-11-19 07:40:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2023-11-19 07:40:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2023-11-19 07:40:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2023-11-19 07:40:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2023-11-19 07:40:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2023-11-19 07:40:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2023-11-19 07:40:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2023-11-19 07:40:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2023-11-19 07:40:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2023-11-19 07:40:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2023-11-19 07:40:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2023-11-19 07:40:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2023-11-19 07:40:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2023-11-19 07:40:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2023-11-19 07:40:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2023-11-19 07:40:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2023-11-19 07:40:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2023-11-19 07:40:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2023-11-19 07:40:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:40:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:40:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2023-11-19 07:40:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2023-11-19 07:40:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2023-11-19 07:40:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2023-11-19 07:40:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2023-11-19 07:40:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2023-11-19 07:40:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:40:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:40:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2023-11-19 07:40:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2023-11-19 07:40:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:40:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:40:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2023-11-19 07:40:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2023-11-19 07:40:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-19 07:40:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-19 07:40:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2023-11-19 07:40:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2023-11-19 07:40:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-19 07:40:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-19 07:40:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2023-11-19 07:40:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2023-11-19 07:40:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-19 07:40:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-19 07:40:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2023-11-19 07:40:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2023-11-19 07:40:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2023-11-19 07:40:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2023-11-19 07:40:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 07:40:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 07:40:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2023-11-19 07:40:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2023-11-19 07:40:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2023-11-19 07:40:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2023-11-19 07:40:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2023-11-19 07:40:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2023-11-19 07:40:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:40,758 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:40,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:40,965 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:41:02,080 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:02,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:02,129 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:41:02,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:02 BoogieIcfgContainer [2023-11-19 07:41:02,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:02,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:41:02,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:41:02,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:41:02,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:31" (1/3) ... [2023-11-19 07:41:02,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e4f2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:02, skipping insertion in model container [2023-11-19 07:41:02,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:38" (2/3) ... [2023-11-19 07:41:02,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e4f2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:02, skipping insertion in model container [2023-11-19 07:41:02,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:02" (3/3) ... [2023-11-19 07:41:02,166 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-19 07:41:02,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:41:02,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:41:02,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:41:02,335 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4482185, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:41:02,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:41:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 4126 states, 3077 states have (on average 1.4861878453038675) internal successors, (4573), 3172 states have internal predecessors, (4573), 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) [2023-11-19 07:41:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-19 07:41:02,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:02,381 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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, 1, 1, 1, 1] [2023-11-19 07:41:02,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:02,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:02,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1565006841, now seen corresponding path program 1 times [2023-11-19 07:41:02,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:02,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852220983] [2023-11-19 07:41:02,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:02,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:41:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:41:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:41:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:41:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:41:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:41:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:41:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:41:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:41:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-19 07:41:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-19 07:41:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-19 07:41:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:41:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-19 07:41:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-19 07:41:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-19 07:41:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-19 07:41:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-19 07:41:04,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:04,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852220983] [2023-11-19 07:41:04,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852220983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:04,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:04,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:41:04,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821578614] [2023-11-19 07:41:04,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:04,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:41:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:04,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:41:04,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:41:04,515 INFO L87 Difference]: Start difference. First operand has 4126 states, 3077 states have (on average 1.4861878453038675) internal successors, (4573), 3172 states have internal predecessors, (4573), 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 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:41:11,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:41:13,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []