./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.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_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/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_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/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_099a03d5-5141-45fc-b82c-ed4ab826bf23/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 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:47,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:47,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:41:47,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:47,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:47,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:47,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:47,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:47,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:47,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:47,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:47,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:47,724 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:47,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:47,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:47,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:47,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:47,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:47,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:47,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:47,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:47,730 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:47,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:47,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:47,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:47,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:47,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:47,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:47,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:47,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:47,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:41:47,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:47,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:47,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:47,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:47,738 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:47,739 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_099a03d5-5141-45fc-b82c-ed4ab826bf23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2023-11-19 07:41:48,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:48,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:48,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:48,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:48,067 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:48,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2023-11-19 07:41:51,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:51,850 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:51,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2023-11-19 07:41:51,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/data/2cfc5d787/6116e375c53a4c70bf19eea3eafde568/FLAG7947b8e3d [2023-11-19 07:41:51,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/data/2cfc5d787/6116e375c53a4c70bf19eea3eafde568 [2023-11-19 07:41:51,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:51,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:51,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:51,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:51,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:51,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:51" (1/1) ... [2023-11-19 07:41:51,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b64f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:51, skipping insertion in model container [2023-11-19 07:41:51,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:51" (1/1) ... [2023-11-19 07:41:52,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:55,219 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_099a03d5-5141-45fc-b82c-ed4ab826bf23/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2023-11-19 07:41:55,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:55,476 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:55,573 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (835), "i" (12UL)); [3939-3940] [2023-11-19 07:41:55,575 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" (47UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3945-3947] [2023-11-19 07:41:55,576 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (840), "i" (12UL)); [3967-3968] [2023-11-19 07:41:55,576 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" (48UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3973-3975] [2023-11-19 07:41:55,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4038] [2023-11-19 07:41:55,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4045] [2023-11-19 07:41:55,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4052] [2023-11-19 07:41:55,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4059] [2023-11-19 07:41:55,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4066] [2023-11-19 07:41:55,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" ((__u32 *)arg)); [5209] [2023-11-19 07:41:55,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" ((__u32 *)arg)); [5212] [2023-11-19 07:41:55,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" ((__u32 *)arg)); [5215] [2023-11-19 07:41:55,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" ((__u32 *)arg)); [5218] [2023-11-19 07:41:55,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" ((__u32 *)arg)); [5221] [2023-11-19 07:41:55,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5270] [2023-11-19 07:41:55,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5273] [2023-11-19 07:41:55,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5276] [2023-11-19 07:41:55,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5279] [2023-11-19 07:41:55,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5282] [2023-11-19 07:41:56,136 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_099a03d5-5141-45fc-b82c-ed4ab826bf23/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2023-11-19 07:41:56,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:56,492 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:56,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56 WrapperNode [2023-11-19 07:41:56,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:56,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:56,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:56,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:56,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:56,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:57,309 INFO L138 Inliner]: procedures = 348, calls = 6238, calls flagged for inlining = 132, calls inlined = 132, statements flattened = 14571 [2023-11-19 07:41:57,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:57,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:57,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:57,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:57,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:57,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:57,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:57,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:58,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:58,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:58,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:58,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:58,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:58,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:58,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:58,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:58,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (1/1) ... [2023-11-19 07:41:58,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:58,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:58,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:58,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099a03d5-5141-45fc-b82c-ed4ab826bf23/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2023-11-19 07:41:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2023-11-19 07:41:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2023-11-19 07:41:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2023-11-19 07:41:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2023-11-19 07:41:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2023-11-19 07:41:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:41:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:41:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:41:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:41:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2023-11-19 07:41:58,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2023-11-19 07:41:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2023-11-19 07:41:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2023-11-19 07:41:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2023-11-19 07:41:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2023-11-19 07:41:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2023-11-19 07:41:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2023-11-19 07:41:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2023-11-19 07:41:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2023-11-19 07:41:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:41:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:41:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-19 07:41:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-19 07:41:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2023-11-19 07:41:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2023-11-19 07:41:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:41:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:41:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:41:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:41:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2023-11-19 07:41:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2023-11-19 07:41:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2023-11-19 07:41:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2023-11-19 07:41:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2023-11-19 07:41:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2023-11-19 07:41:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2023-11-19 07:41:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2023-11-19 07:41:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2023-11-19 07:41:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2023-11-19 07:41:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2023-11-19 07:41:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2023-11-19 07:41:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 07:41:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 07:41:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 07:41:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 07:41:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2023-11-19 07:41:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2023-11-19 07:41:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:41:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:41:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2023-11-19 07:41:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2023-11-19 07:41:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2023-11-19 07:41:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2023-11-19 07:41:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2023-11-19 07:41:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2023-11-19 07:41:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2023-11-19 07:41:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2023-11-19 07:41:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:41:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:41:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:41:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:41:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-19 07:41:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-19 07:41:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2023-11-19 07:41:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2023-11-19 07:41:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2023-11-19 07:41:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2023-11-19 07:41:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2023-11-19 07:41:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2023-11-19 07:41:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:41:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 07:41:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 07:41:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2023-11-19 07:41:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2023-11-19 07:41:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:41:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:41:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:41:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2023-11-19 07:41:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2023-11-19 07:41:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:41:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:41:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2023-11-19 07:41:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2023-11-19 07:41:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:41:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:41:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2023-11-19 07:41:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2023-11-19 07:41:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-19 07:41:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-19 07:41:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:41:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:41:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2023-11-19 07:41:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2023-11-19 07:41:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2023-11-19 07:41:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2023-11-19 07:41:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:41:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-19 07:41:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-19 07:41:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2023-11-19 07:41:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2023-11-19 07:41:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 07:41:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 07:41:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:41:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2023-11-19 07:41:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2023-11-19 07:41:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2023-11-19 07:41:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2023-11-19 07:41:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2023-11-19 07:41:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2023-11-19 07:41:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:41:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2023-11-19 07:41:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2023-11-19 07:41:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2023-11-19 07:41:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2023-11-19 07:41:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:41:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:41:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2023-11-19 07:41:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2023-11-19 07:41:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:41:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:41:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2023-11-19 07:41:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2023-11-19 07:41:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2023-11-19 07:41:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2023-11-19 07:41:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2023-11-19 07:41:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2023-11-19 07:41:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2023-11-19 07:41:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2023-11-19 07:41:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:41:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:41:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2023-11-19 07:41:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2023-11-19 07:41:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2023-11-19 07:41:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2023-11-19 07:41:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:41:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:41:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:41:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2023-11-19 07:41:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2023-11-19 07:41:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 07:41:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 07:41:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2023-11-19 07:41:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2023-11-19 07:41:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:41:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:41:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2023-11-19 07:41:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2023-11-19 07:41:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2023-11-19 07:41:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2023-11-19 07:41:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:41:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2023-11-19 07:41:58,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2023-11-19 07:41:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:41:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2023-11-19 07:41:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2023-11-19 07:41:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:41:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:41:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:41:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2023-11-19 07:41:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2023-11-19 07:41:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2023-11-19 07:41:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2023-11-19 07:41:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2023-11-19 07:41:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2023-11-19 07:41:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-19 07:41:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-19 07:41:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2023-11-19 07:41:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2023-11-19 07:41:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-19 07:41:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-19 07:41:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:41:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:41:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2023-11-19 07:41:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2023-11-19 07:41:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:41:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:41:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2023-11-19 07:41:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2023-11-19 07:41:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2023-11-19 07:41:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2023-11-19 07:41:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 07:41:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 07:41:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2023-11-19 07:41:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2023-11-19 07:41:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2023-11-19 07:41:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2023-11-19 07:41:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:41:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:41:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2023-11-19 07:41:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2023-11-19 07:41:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:41:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-19 07:41:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-19 07:41:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2023-11-19 07:41:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2023-11-19 07:41:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2023-11-19 07:41:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2023-11-19 07:41:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-19 07:41:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-19 07:41:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:59,927 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:59,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:28,863 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:28,912 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:28,912 INFO L302 CfgBuilder]: Removed 41 assume(true) statements. [2023-11-19 07:42:28,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:28 BoogieIcfgContainer [2023-11-19 07:42:28,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:28,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:28,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:28,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:28,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:51" (1/3) ... [2023-11-19 07:42:28,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8f1287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:28, skipping insertion in model container [2023-11-19 07:42:28,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56" (2/3) ... [2023-11-19 07:42:28,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8f1287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:28, skipping insertion in model container [2023-11-19 07:42:28,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:28" (3/3) ... [2023-11-19 07:42:28,954 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2023-11-19 07:42:28,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:28,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:42:29,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:29,144 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;@258a66b1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:29,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:42:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 5674 states, 4114 states have (on average 1.4239183276616432) internal successors, (5858), 4233 states have internal predecessors, (5858), 1501 states have call successors, (1501), 93 states have call predecessors, (1501), 93 states have return successors, (1501), 1487 states have call predecessors, (1501), 1501 states have call successors, (1501) [2023-11-19 07:42:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 07:42:29,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:29,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:29,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:29,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash -376979752, now seen corresponding path program 1 times [2023-11-19 07:42:29,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:29,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207237119] [2023-11-19 07:42:29,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:29,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:30,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:30,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207237119] [2023-11-19 07:42:30,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207237119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:30,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:30,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:30,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134436748] [2023-11-19 07:42:30,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:30,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:30,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:30,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:30,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:30,377 INFO L87 Difference]: Start difference. First operand has 5674 states, 4114 states have (on average 1.4239183276616432) internal successors, (5858), 4233 states have internal predecessors, (5858), 1501 states have call successors, (1501), 93 states have call predecessors, (1501), 93 states have return successors, (1501), 1487 states have call predecessors, (1501), 1501 states have call successors, (1501) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:31,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:31,502 INFO L93 Difference]: Finished difference Result 16776 states and 26748 transitions. [2023-11-19 07:42:31,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:31,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-19 07:42:31,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:31,656 INFO L225 Difference]: With dead ends: 16776 [2023-11-19 07:42:31,656 INFO L226 Difference]: Without dead ends: 11097 [2023-11-19 07:42:31,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:31,743 INFO L413 NwaCegarLoop]: 8591 mSDtfsCounter, 8458 mSDsluCounter, 8479 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8458 SdHoareTripleChecker+Valid, 17070 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:31,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8458 Valid, 17070 Invalid, 16 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:42:31,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11097 states. [2023-11-19 07:42:32,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11097 to 11093. [2023-11-19 07:42:32,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11093 states, 7985 states have (on average 1.3902316844082654) internal successors, (11101), 8151 states have internal predecessors, (11101), 2923 states have call successors, (2923), 185 states have call predecessors, (2923), 184 states have return successors, (2916), 2888 states have call predecessors, (2916), 2916 states have call successors, (2916) [2023-11-19 07:42:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11093 states to 11093 states and 16940 transitions. [2023-11-19 07:42:33,025 INFO L78 Accepts]: Start accepts. Automaton has 11093 states and 16940 transitions. Word has length 16 [2023-11-19 07:42:33,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:33,030 INFO L495 AbstractCegarLoop]: Abstraction has 11093 states and 16940 transitions. [2023-11-19 07:42:33,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 11093 states and 16940 transitions. [2023-11-19 07:42:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:42:33,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:33,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:33,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:42:33,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:33,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash -426782099, now seen corresponding path program 1 times [2023-11-19 07:42:33,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:33,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619015735] [2023-11-19 07:42:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:33,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:33,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619015735] [2023-11-19 07:42:33,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619015735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:33,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:33,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:33,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704730511] [2023-11-19 07:42:33,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:33,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:33,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:33,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:33,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:33,693 INFO L87 Difference]: Start difference. First operand 11093 states and 16940 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:34,227 INFO L93 Difference]: Finished difference Result 11119 states and 16972 transitions. [2023-11-19 07:42:34,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:34,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-19 07:42:34,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:34,349 INFO L225 Difference]: With dead ends: 11119 [2023-11-19 07:42:34,349 INFO L226 Difference]: Without dead ends: 11106 [2023-11-19 07:42:34,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:34,363 INFO L413 NwaCegarLoop]: 8500 mSDtfsCounter, 8480 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8480 SdHoareTripleChecker+Valid, 8516 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:34,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8480 Valid, 8516 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:42:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11106 states. [2023-11-19 07:42:35,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11106 to 11093. [2023-11-19 07:42:35,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11093 states, 7985 states have (on average 1.390106449592987) internal successors, (11100), 8151 states have internal predecessors, (11100), 2923 states have call successors, (2923), 185 states have call predecessors, (2923), 184 states have return successors, (2916), 2888 states have call predecessors, (2916), 2916 states have call successors, (2916) [2023-11-19 07:42:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11093 states to 11093 states and 16939 transitions. [2023-11-19 07:42:35,665 INFO L78 Accepts]: Start accepts. Automaton has 11093 states and 16939 transitions. Word has length 19 [2023-11-19 07:42:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:35,666 INFO L495 AbstractCegarLoop]: Abstraction has 11093 states and 16939 transitions. [2023-11-19 07:42:35,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 11093 states and 16939 transitions. [2023-11-19 07:42:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:42:35,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:35,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:35,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:42:35,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:35,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:35,673 INFO L85 PathProgramCache]: Analyzing trace with hash -369523797, now seen corresponding path program 1 times [2023-11-19 07:42:35,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:35,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490140861] [2023-11-19 07:42:35,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:35,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:36,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:36,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:36,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490140861] [2023-11-19 07:42:36,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490140861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:36,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:36,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:36,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797798245] [2023-11-19 07:42:36,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:36,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:36,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:36,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:36,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:36,195 INFO L87 Difference]: Start difference. First operand 11093 states and 16939 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)