./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:15,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:15,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:02:15,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:15,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:15,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:15,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:15,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:15,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:15,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:15,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:15,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:15,873 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:15,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:15,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:15,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:15,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:15,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:15,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:15,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:15,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:15,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:15,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:15,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:15,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:15,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:15,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:15,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:15,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:15,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:15,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:15,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:15,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:15,887 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:15,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:15,888 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:15,888 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2023-11-19 08:02:16,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:16,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:16,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:16,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:16,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:16,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 08:02:19,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:20,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:20,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 08:02:20,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data/a428e8e16/12b59ac2c4a245a4affe8922fba111b9/FLAG6123db177 [2023-11-19 08:02:20,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data/a428e8e16/12b59ac2c4a245a4affe8922fba111b9 [2023-11-19 08:02:20,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:20,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:20,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:20,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:20,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:20,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:20" (1/1) ... [2023-11-19 08:02:20,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b560fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20, skipping insertion in model container [2023-11-19 08:02:20,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:20" (1/1) ... [2023-11-19 08:02:20,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:22,353 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 08:02:22,509 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 08:02:22,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:22,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:22,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3188] [2023-11-19 08:02:22,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3195] [2023-11-19 08:02:22,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3202] [2023-11-19 08:02:22,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [3210] [2023-11-19 08:02:22,698 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3253-3254] [2023-11-19 08:02:22,699 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3257-3258] [2023-11-19 08:02:22,699 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3261-3262] [2023-11-19 08:02:22,700 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3265-3266] [2023-11-19 08:02:22,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5167] [2023-11-19 08:02:22,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5170] [2023-11-19 08:02:22,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5173] [2023-11-19 08:02:22,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5176] [2023-11-19 08:02:22,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp->state): : "memory", "cc"); [5347-5348] [2023-11-19 08:02:22,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5352-5353] [2023-11-19 08:02:22,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5357-5358] [2023-11-19 08:02:22,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5362-5363] [2023-11-19 08:02:22,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___3->state): : "memory", "cc"); [5375-5376] [2023-11-19 08:02:22,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [5380-5381] [2023-11-19 08:02:22,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [5385-5386] [2023-11-19 08:02:22,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5390-5391] [2023-11-19 08:02:23,054 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 08:02:23,091 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 08:02:23,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:23,256 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:23,256 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:23,256 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:23,256 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:23,257 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:23,266 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:23,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23 WrapperNode [2023-11-19 08:02:23,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:23,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:23,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:23,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:23,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,545 INFO L138 Inliner]: procedures = 259, calls = 1908, calls flagged for inlining = 102, calls inlined = 33, statements flattened = 1682 [2023-11-19 08:02:23,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:23,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:23,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:23,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:23,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:23,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:23,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:23,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:23,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (1/1) ... [2023-11-19 08:02:23,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:23,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:23,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:23,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2023-11-19 08:02:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2023-11-19 08:02:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:02:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:02:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 08:02:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 08:02:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:02:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:02:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2023-11-19 08:02:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2023-11-19 08:02:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:02:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:02:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:02:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:02:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 08:02:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 08:02:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2023-11-19 08:02:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2023-11-19 08:02:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:02:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:02:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:02:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:02:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:02:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:02:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-11-19 08:02:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-11-19 08:02:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:02:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:02:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:02:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 08:02:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 08:02:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 08:02:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 08:02:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:02:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:02:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 08:02:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 08:02:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:02:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2023-11-19 08:02:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2023-11-19 08:02:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:02:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:02:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:02:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 08:02:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 08:02:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 08:02:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 08:02:23,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:23,806 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 08:02:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 08:02:23,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:02:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:02:23,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:02:23,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:02:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2023-11-19 08:02:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2023-11-19 08:02:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:02:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:02:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 08:02:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 08:02:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 08:02:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 08:02:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:24,218 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:24,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:27,082 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:27,107 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:27,108 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:02:27,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:27 BoogieIcfgContainer [2023-11-19 08:02:27,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:27,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:27,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:27,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:27,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:20" (1/3) ... [2023-11-19 08:02:27,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5637308d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:27, skipping insertion in model container [2023-11-19 08:02:27,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:23" (2/3) ... [2023-11-19 08:02:27,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5637308d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:27, skipping insertion in model container [2023-11-19 08:02:27,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:27" (3/3) ... [2023-11-19 08:02:27,136 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 08:02:27,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:27,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:27,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:27,262 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;@39170fe0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:27,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 364 states, 273 states have (on average 1.413919413919414) internal successors, (386), 284 states have internal predecessors, (386), 62 states have call successors, (62), 27 states have call predecessors, (62), 27 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:02:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 08:02:27,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:27,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:27,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:27,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:27,314 INFO L85 PathProgramCache]: Analyzing trace with hash 232319249, now seen corresponding path program 1 times [2023-11-19 08:02:27,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:27,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223482751] [2023-11-19 08:02:27,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:27,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:28,173 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 08:02:28,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223482751] [2023-11-19 08:02:28,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223482751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:28,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:28,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:28,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651491271] [2023-11-19 08:02:28,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:28,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:28,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:28,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:28,242 INFO L87 Difference]: Start difference. First operand has 364 states, 273 states have (on average 1.413919413919414) internal successors, (386), 284 states have internal predecessors, (386), 62 states have call successors, (62), 27 states have call predecessors, (62), 27 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) 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, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:28,521 INFO L93 Difference]: Finished difference Result 852 states and 1207 transitions. [2023-11-19 08:02:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:28,525 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, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-19 08:02:28,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:28,553 INFO L225 Difference]: With dead ends: 852 [2023-11-19 08:02:28,553 INFO L226 Difference]: Without dead ends: 483 [2023-11-19 08:02:28,565 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 08:02:28,571 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 166 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:28,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1005 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:28,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-11-19 08:02:28,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 468. [2023-11-19 08:02:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 355 states have (on average 1.408450704225352) internal successors, (500), 365 states have internal predecessors, (500), 76 states have call successors, (76), 37 states have call predecessors, (76), 36 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 08:02:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 643 transitions. [2023-11-19 08:02:28,724 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 643 transitions. Word has length 17 [2023-11-19 08:02:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:28,726 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 643 transitions. [2023-11-19 08:02:28,727 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, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 643 transitions. [2023-11-19 08:02:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 08:02:28,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:28,744 INFO L195 NwaCegarLoop]: trace histogram [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 08:02:28,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:02:28,745 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:28,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:28,746 INFO L85 PathProgramCache]: Analyzing trace with hash 802005560, now seen corresponding path program 1 times [2023-11-19 08:02:28,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:28,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687970902] [2023-11-19 08:02:28,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:28,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:29,158 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 08:02:29,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:29,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687970902] [2023-11-19 08:02:29,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687970902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:29,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:29,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:29,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240519895] [2023-11-19 08:02:29,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:29,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:29,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:29,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:29,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:29,167 INFO L87 Difference]: Start difference. First operand 468 states and 643 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:29,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:29,278 INFO L93 Difference]: Finished difference Result 495 states and 677 transitions. [2023-11-19 08:02:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:29,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-19 08:02:29,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:29,288 INFO L225 Difference]: With dead ends: 495 [2023-11-19 08:02:29,288 INFO L226 Difference]: Without dead ends: 482 [2023-11-19 08:02:29,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 08:02:29,293 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 489 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 525 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 08:02:29,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 525 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:29,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-11-19 08:02:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 469. [2023-11-19 08:02:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 356 states have (on average 1.4073033707865168) internal successors, (501), 366 states have internal predecessors, (501), 76 states have call successors, (76), 37 states have call predecessors, (76), 36 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 08:02:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 644 transitions. [2023-11-19 08:02:29,359 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 644 transitions. Word has length 24 [2023-11-19 08:02:29,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:29,360 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 644 transitions. [2023-11-19 08:02:29,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 644 transitions. [2023-11-19 08:02:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 08:02:29,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:29,364 INFO L195 NwaCegarLoop]: trace histogram [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 08:02:29,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:02:29,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:29,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:29,366 INFO L85 PathProgramCache]: Analyzing trace with hash 859263862, now seen corresponding path program 1 times [2023-11-19 08:02:29,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:29,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068175920] [2023-11-19 08:02:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:29,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:29,721 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 08:02:29,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:29,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068175920] [2023-11-19 08:02:29,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068175920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:29,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:29,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:29,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016095663] [2023-11-19 08:02:29,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:29,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:29,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:29,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:29,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:29,737 INFO L87 Difference]: Start difference. First operand 469 states and 644 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:29,839 INFO L93 Difference]: Finished difference Result 471 states and 645 transitions. [2023-11-19 08:02:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:29,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-19 08:02:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:29,845 INFO L225 Difference]: With dead ends: 471 [2023-11-19 08:02:29,845 INFO L226 Difference]: Without dead ends: 468 [2023-11-19 08:02:29,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 08:02:29,847 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 474 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:29,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 491 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2023-11-19 08:02:29,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2023-11-19 08:02:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 356 states have (on average 1.404494382022472) internal successors, (500), 365 states have internal predecessors, (500), 75 states have call successors, (75), 37 states have call predecessors, (75), 36 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 08:02:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 642 transitions. [2023-11-19 08:02:29,885 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 642 transitions. Word has length 24 [2023-11-19 08:02:29,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:29,885 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 642 transitions. [2023-11-19 08:02:29,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 642 transitions. [2023-11-19 08:02:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 08:02:29,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:29,887 INFO L195 NwaCegarLoop]: trace histogram [1, 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 08:02:29,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:02:29,888 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:29,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash 867172230, now seen corresponding path program 1 times [2023-11-19 08:02:29,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:29,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146674399] [2023-11-19 08:02:29,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,236 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 08:02:30,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:30,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146674399] [2023-11-19 08:02:30,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146674399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:30,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:30,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:30,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886153883] [2023-11-19 08:02:30,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:30,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:30,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:30,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:30,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:30,241 INFO L87 Difference]: Start difference. First operand 468 states and 642 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:30,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:30,333 INFO L93 Difference]: Finished difference Result 475 states and 646 transitions. [2023-11-19 08:02:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:30,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-19 08:02:30,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:30,345 INFO L225 Difference]: With dead ends: 475 [2023-11-19 08:02:30,346 INFO L226 Difference]: Without dead ends: 471 [2023-11-19 08:02:30,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 08:02:30,356 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 457 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:30,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 497 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:30,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-11-19 08:02:30,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 469. [2023-11-19 08:02:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 358 states have (on average 1.3966480446927374) internal successors, (500), 365 states have internal predecessors, (500), 73 states have call successors, (73), 38 states have call predecessors, (73), 37 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 08:02:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 640 transitions. [2023-11-19 08:02:30,404 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 640 transitions. Word has length 25 [2023-11-19 08:02:30,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:30,404 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 640 transitions. [2023-11-19 08:02:30,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 640 transitions. [2023-11-19 08:02:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 08:02:30,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:30,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 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 08:02:30,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:02:30,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:30,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1112336505, now seen corresponding path program 1 times [2023-11-19 08:02:30,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:30,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150177781] [2023-11-19 08:02:30,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:30,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,613 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 08:02:30,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:30,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150177781] [2023-11-19 08:02:30,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150177781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:30,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:30,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:30,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484785073] [2023-11-19 08:02:30,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:30,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:30,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:30,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:30,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:30,616 INFO L87 Difference]: Start difference. First operand 469 states and 640 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:30,727 INFO L93 Difference]: Finished difference Result 471 states and 641 transitions. [2023-11-19 08:02:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:30,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-19 08:02:30,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:30,732 INFO L225 Difference]: With dead ends: 471 [2023-11-19 08:02:30,732 INFO L226 Difference]: Without dead ends: 468 [2023-11-19 08:02:30,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 08:02:30,733 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 466 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:30,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 485 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:30,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2023-11-19 08:02:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2023-11-19 08:02:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 358 states have (on average 1.393854748603352) internal successors, (499), 364 states have internal predecessors, (499), 72 states have call successors, (72), 38 states have call predecessors, (72), 37 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 08:02:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 638 transitions. [2023-11-19 08:02:30,786 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 638 transitions. Word has length 26 [2023-11-19 08:02:30,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:30,786 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 638 transitions. [2023-11-19 08:02:30,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 638 transitions. [2023-11-19 08:02:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 08:02:30,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:30,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 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 08:02:30,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:02:30,789 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:30,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:30,789 INFO L85 PathProgramCache]: Analyzing trace with hash 122499305, now seen corresponding path program 1 times [2023-11-19 08:02:30,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:30,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758958814] [2023-11-19 08:02:30,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:30,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:31,016 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 08:02:31,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:31,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758958814] [2023-11-19 08:02:31,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758958814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:31,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:31,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:31,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577922943] [2023-11-19 08:02:31,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:31,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:31,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:31,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:31,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:31,019 INFO L87 Difference]: Start difference. First operand 468 states and 638 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:31,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:31,133 INFO L93 Difference]: Finished difference Result 719 states and 976 transitions. [2023-11-19 08:02:31,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:31,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-19 08:02:31,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:31,139 INFO L225 Difference]: With dead ends: 719 [2023-11-19 08:02:31,139 INFO L226 Difference]: Without dead ends: 715 [2023-11-19 08:02:31,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 08:02:31,142 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 174 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:31,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 948 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2023-11-19 08:02:31,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 713. [2023-11-19 08:02:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 552 states have (on average 1.3967391304347827) internal successors, (771), 560 states have internal predecessors, (771), 102 states have call successors, (102), 60 states have call predecessors, (102), 58 states have return successors, (97), 93 states have call predecessors, (97), 97 states have call successors, (97) [2023-11-19 08:02:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 970 transitions. [2023-11-19 08:02:31,209 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 970 transitions. Word has length 27 [2023-11-19 08:02:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:31,211 INFO L495 AbstractCegarLoop]: Abstraction has 713 states and 970 transitions. [2023-11-19 08:02:31,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 970 transitions. [2023-11-19 08:02:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 08:02:31,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:31,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 08:02:31,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:02:31,215 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:31,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:31,215 INFO L85 PathProgramCache]: Analyzing trace with hash -497677956, now seen corresponding path program 1 times [2023-11-19 08:02:31,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:31,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732239513] [2023-11-19 08:02:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:31,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:31,419 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 08:02:31,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:31,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732239513] [2023-11-19 08:02:31,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732239513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:31,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:31,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:31,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690664094] [2023-11-19 08:02:31,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:31,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:31,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:31,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:31,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:31,424 INFO L87 Difference]: Start difference. First operand 713 states and 970 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:31,558 INFO L93 Difference]: Finished difference Result 715 states and 971 transitions. [2023-11-19 08:02:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:31,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-19 08:02:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:31,566 INFO L225 Difference]: With dead ends: 715 [2023-11-19 08:02:31,566 INFO L226 Difference]: Without dead ends: 690 [2023-11-19 08:02:31,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 08:02:31,568 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 462 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:31,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:31,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2023-11-19 08:02:31,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 689. [2023-11-19 08:02:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 537 states have (on average 1.398510242085661) internal successors, (751), 543 states have internal predecessors, (751), 95 states have call successors, (95), 58 states have call predecessors, (95), 56 states have return successors, (91), 88 states have call predecessors, (91), 91 states have call successors, (91) [2023-11-19 08:02:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 937 transitions. [2023-11-19 08:02:31,634 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 937 transitions. Word has length 28 [2023-11-19 08:02:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:31,635 INFO L495 AbstractCegarLoop]: Abstraction has 689 states and 937 transitions. [2023-11-19 08:02:31,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:02:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 937 transitions. [2023-11-19 08:02:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 08:02:31,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:31,639 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:31,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:02:31,639 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:31,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:31,640 INFO L85 PathProgramCache]: Analyzing trace with hash 122592436, now seen corresponding path program 1 times [2023-11-19 08:02:31,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:31,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663492212] [2023-11-19 08:02:31,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:31,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:02:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 08:02:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:02:32,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:32,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663492212] [2023-11-19 08:02:32,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663492212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:32,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:32,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:32,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126435406] [2023-11-19 08:02:32,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:32,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:32,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:32,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:32,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:32,016 INFO L87 Difference]: Start difference. First operand 689 states and 937 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 08:02:32,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:32,929 INFO L93 Difference]: Finished difference Result 1374 states and 1870 transitions. [2023-11-19 08:02:32,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:02:32,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2023-11-19 08:02:32,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:32,935 INFO L225 Difference]: With dead ends: 1374 [2023-11-19 08:02:32,935 INFO L226 Difference]: Without dead ends: 688 [2023-11-19 08:02:32,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:32,938 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 523 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:32,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 847 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 08:02:32,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2023-11-19 08:02:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2023-11-19 08:02:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 537 states have (on average 1.3947858472998138) internal successors, (749), 542 states have internal predecessors, (749), 94 states have call successors, (94), 58 states have call predecessors, (94), 56 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-19 08:02:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 932 transitions. [2023-11-19 08:02:33,015 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 932 transitions. Word has length 50 [2023-11-19 08:02:33,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:33,016 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 932 transitions. [2023-11-19 08:02:33,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 08:02:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 932 transitions. [2023-11-19 08:02:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 08:02:33,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:33,019 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:33,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:02:33,020 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:33,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:33,021 INFO L85 PathProgramCache]: Analyzing trace with hash 530645007, now seen corresponding path program 1 times [2023-11-19 08:02:33,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:33,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109544735] [2023-11-19 08:02:33,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 08:02:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:33,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:02:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:02:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:02:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 08:02:33,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109544735] [2023-11-19 08:02:33,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109544735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:33,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:33,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:33,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78138545] [2023-11-19 08:02:33,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:33,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:33,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:33,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:33,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:33,487 INFO L87 Difference]: Start difference. First operand 688 states and 932 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 08:02:34,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:34,515 INFO L93 Difference]: Finished difference Result 690 states and 933 transitions. [2023-11-19 08:02:34,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:02:34,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-11-19 08:02:34,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:34,521 INFO L225 Difference]: With dead ends: 690 [2023-11-19 08:02:34,521 INFO L226 Difference]: Without dead ends: 687 [2023-11-19 08:02:34,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:02:34,522 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 254 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:34,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 1080 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 08:02:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2023-11-19 08:02:34,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2023-11-19 08:02:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 537 states have (on average 1.3929236499068902) internal successors, (748), 541 states have internal predecessors, (748), 93 states have call successors, (93), 58 states have call predecessors, (93), 56 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-19 08:02:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 930 transitions. [2023-11-19 08:02:34,624 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 930 transitions. Word has length 59 [2023-11-19 08:02:34,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:34,627 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 930 transitions. [2023-11-19 08:02:34,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 08:02:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 930 transitions. [2023-11-19 08:02:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 08:02:34,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:34,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:34,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:02:34,633 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:34,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:34,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1045072002, now seen corresponding path program 1 times [2023-11-19 08:02:34,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:34,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355658053] [2023-11-19 08:02:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:34,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 08:02:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 08:02:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:02:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 08:02:35,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:35,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355658053] [2023-11-19 08:02:35,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355658053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:35,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:35,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:35,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492598589] [2023-11-19 08:02:35,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:35,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:35,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:35,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:35,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:35,387 INFO L87 Difference]: Start difference. First operand 687 states and 930 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 08:02:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:36,660 INFO L93 Difference]: Finished difference Result 1398 states and 1889 transitions. [2023-11-19 08:02:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:02:36,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2023-11-19 08:02:36,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:36,665 INFO L225 Difference]: With dead ends: 1398 [2023-11-19 08:02:36,665 INFO L226 Difference]: Without dead ends: 696 [2023-11-19 08:02:36,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:02:36,668 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 161 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:36,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1439 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 08:02:36,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2023-11-19 08:02:36,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 623. [2023-11-19 08:02:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 495 states have (on average 1.41010101010101) internal successors, (698), 498 states have internal predecessors, (698), 81 states have call successors, (81), 48 states have call predecessors, (81), 46 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-11-19 08:02:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 856 transitions. [2023-11-19 08:02:36,716 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 856 transitions. Word has length 58 [2023-11-19 08:02:36,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:36,716 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 856 transitions. [2023-11-19 08:02:36,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 08:02:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 856 transitions. [2023-11-19 08:02:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 08:02:36,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:36,720 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:36,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:02:36,720 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:36,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash -849760364, now seen corresponding path program 1 times [2023-11-19 08:02:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:36,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588477571] [2023-11-19 08:02:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:36,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:36,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:37,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:37,265 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:37,266 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:02:37,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 08:02:37,271 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:37,277 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:37,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 08:02:37,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem298 could not be translated [2023-11-19 08:02:37,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem301 [2023-11-19 08:02:37,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 08:02:37,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 08:02:37,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated [2023-11-19 08:02:37,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated [2023-11-19 08:02:37,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated [2023-11-19 08:02:37,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:37 BoogieIcfgContainer [2023-11-19 08:02:37,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:37,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:37,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:37,476 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:37,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:27" (3/4) ... [2023-11-19 08:02:37,478 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:02:37,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:37,480 INFO L158 Benchmark]: Toolchain (without parser) took 17125.69ms. Allocated memory was 155.2MB in the beginning and 373.3MB in the end (delta: 218.1MB). Free memory was 105.3MB in the beginning and 212.1MB in the end (delta: -106.8MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,481 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 155.2MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:37,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2910.10ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 104.9MB in the beginning and 165.2MB in the end (delta: -60.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 276.70ms. Allocated memory is still 222.3MB. Free memory was 165.2MB in the beginning and 152.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,482 INFO L158 Benchmark]: Boogie Preprocessor took 149.16ms. Allocated memory is still 222.3MB. Free memory was 152.6MB in the beginning and 143.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,482 INFO L158 Benchmark]: RCFGBuilder took 3425.12ms. Allocated memory is still 222.3MB. Free memory was 143.2MB in the beginning and 80.0MB in the end (delta: 63.2MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,483 INFO L158 Benchmark]: TraceAbstraction took 10347.66ms. Allocated memory was 222.3MB in the beginning and 373.3MB in the end (delta: 151.0MB). Free memory was 79.0MB in the beginning and 212.1MB in the end (delta: -133.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,484 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 373.3MB. Free memory is still 212.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:37,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 155.2MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2910.10ms. Allocated memory was 155.2MB in the beginning and 222.3MB in the end (delta: 67.1MB). Free memory was 104.9MB in the beginning and 165.2MB in the end (delta: -60.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 276.70ms. Allocated memory is still 222.3MB. Free memory was 165.2MB in the beginning and 152.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.16ms. Allocated memory is still 222.3MB. Free memory was 152.6MB in the beginning and 143.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3425.12ms. Allocated memory is still 222.3MB. Free memory was 143.2MB in the beginning and 80.0MB in the end (delta: 63.2MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10347.66ms. Allocated memory was 222.3MB in the beginning and 373.3MB in the end (delta: 151.0MB). Free memory was 79.0MB in the beginning and 212.1MB in the end (delta: -133.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 373.3MB. Free memory is still 212.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3188]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3188] - GenericResultAtLocation [Line: 3195]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3195] - GenericResultAtLocation [Line: 3202]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3202] - GenericResultAtLocation [Line: 3210]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [3210] - GenericResultAtLocation [Line: 3253]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3253-3254] - GenericResultAtLocation [Line: 3257]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3257-3258] - GenericResultAtLocation [Line: 3261]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3261-3262] - GenericResultAtLocation [Line: 3265]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3265-3266] - GenericResultAtLocation [Line: 5167]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5167] - GenericResultAtLocation [Line: 5170]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5170] - GenericResultAtLocation [Line: 5173]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5173] - GenericResultAtLocation [Line: 5176]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5176] - GenericResultAtLocation [Line: 5347]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp->state): : "memory", "cc"); [5347-5348] - GenericResultAtLocation [Line: 5352]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5352-5353] - GenericResultAtLocation [Line: 5357]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5357-5358] - GenericResultAtLocation [Line: 5362]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5362-5363] - GenericResultAtLocation [Line: 5375]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___3->state): : "memory", "cc"); [5375-5376] - GenericResultAtLocation [Line: 5380]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [5380-5381] - GenericResultAtLocation [Line: 5385]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [5385-5386] - GenericResultAtLocation [Line: 5390]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5390-5391] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem298 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem301 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch481 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch475 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch468 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6023]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={203:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-1}, available_protocols=0, buf={0:-3}, buf={0:-3}, descriptor={204:0}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-2}, mattr={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-3}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, lock={0:1226}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, lock={0:1226}, lock={0:1226}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, lock={0:1226}, lock={0:1226}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:1226}, ldv_func_arg1={0:1226}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:1226}, ldv_func_arg1={0:1226}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-1}, available_protocols=0, buf={0:-3}, buf={0:-3}, descriptor={204:0}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-2}, mattr={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-3}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-1}, available_protocols=0, buf={0:-3}, buf={0:-3}, descriptor={204:0}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-2}, mattr={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-3}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-1}, available_protocols=0, buf={0:-3}, buf={0:-3}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, mattr={0:-2}, mattr={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-3}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=0, __mptr={0:-1}, available_protocols=0, count=0, data={0:0}, data={209:0}, descriptor={206:0}, descriptor___0={205:0}, descriptor___1={208:0}, descriptor___2={210:0}, descriptor___3={202:0}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, len=0, mattr={0:-2}, mattr={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={207:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, lock={0:1226}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, lock={0:1226}, lock={0:1226}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-2}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-3}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 364 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3674 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3626 mSDsluCounter, 7801 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3285 mSDsCounter, 280 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1598 IncrementalHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 280 mSolverCounterUnsat, 4516 mSDtfsCounter, 1598 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=6, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 106 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:02:37,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:40,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:40,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 08:02:40,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:40,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:40,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:40,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:40,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:40,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:40,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:40,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:40,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:40,477 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:40,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:40,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:40,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:40,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:40,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:40,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:40,482 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:02:40,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:02:40,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:02:40,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:40,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:40,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:40,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:40,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:40,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:40,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:40,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:40,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:40,489 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:02:40,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:40,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:40,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:40,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:40,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:40,491 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:02:40,491 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:40,492 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2023-11-19 08:02:40,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:41,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:41,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:41,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:41,014 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:41,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 08:02:44,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:45,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:45,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 08:02:45,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data/66871127e/0119eddef2e14f72b695874ef1c9d181/FLAG60f7e145e [2023-11-19 08:02:45,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/data/66871127e/0119eddef2e14f72b695874ef1c9d181 [2023-11-19 08:02:45,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:45,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:45,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:45,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:45,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:45,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:45" (1/1) ... [2023-11-19 08:02:45,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0d2021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:45, skipping insertion in model container [2023-11-19 08:02:45,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:45" (1/1) ... [2023-11-19 08:02:45,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:47,411 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 08:02:47,568 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 08:02:47,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:47,642 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 08:02:47,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:47,931 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 08:02:47,945 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 08:02:47,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:47,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:48,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3188] [2023-11-19 08:02:48,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3195] [2023-11-19 08:02:48,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3202] [2023-11-19 08:02:48,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [3210] [2023-11-19 08:02:48,084 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3253-3254] [2023-11-19 08:02:48,085 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3257-3258] [2023-11-19 08:02:48,085 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3261-3262] [2023-11-19 08:02:48,086 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3265-3266] [2023-11-19 08:02:48,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5167] [2023-11-19 08:02:48,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5170] [2023-11-19 08:02:48,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5173] [2023-11-19 08:02:48,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5176] [2023-11-19 08:02:48,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp->state): : "memory", "cc"); [5347-5348] [2023-11-19 08:02:48,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5352-5353] [2023-11-19 08:02:48,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5357-5358] [2023-11-19 08:02:48,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5362-5363] [2023-11-19 08:02:48,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___3->state): : "memory", "cc"); [5375-5376] [2023-11-19 08:02:48,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [5380-5381] [2023-11-19 08:02:48,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [5385-5386] [2023-11-19 08:02:48,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5390-5391] [2023-11-19 08:02:48,333 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_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2023-11-19 08:02:48,354 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 08:02:48,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:48,508 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:48,508 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:48,508 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:48,509 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:48,509 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:48,518 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:48,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48 WrapperNode [2023-11-19 08:02:48,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:48,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:48,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:48,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:48,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,840 INFO L138 Inliner]: procedures = 274, calls = 1908, calls flagged for inlining = 102, calls inlined = 33, statements flattened = 1581 [2023-11-19 08:02:48,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:48,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:48,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:48,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:48,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:48,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:48,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:48,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:48,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:48,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:49,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:49,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2023-11-19 08:02:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2023-11-19 08:02:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 08:02:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 08:02:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 08:02:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:02:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 08:02:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:02:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 08:02:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2023-11-19 08:02:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:02:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:02:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2023-11-19 08:02:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2023-11-19 08:02:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:02:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:02:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:02:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:02:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 08:02:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 08:02:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2023-11-19 08:02:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2023-11-19 08:02:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:02:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:02:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:02:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:02:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:02:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:02:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 08:02:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 08:02:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 08:02:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 08:02:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-11-19 08:02:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-11-19 08:02:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:02:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:02:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:02:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 08:02:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:02:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 08:02:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-19 08:02:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 08:02:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 08:02:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 08:02:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2023-11-19 08:02:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:02:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:02:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 08:02:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2023-11-19 08:02:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2023-11-19 08:02:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2023-11-19 08:02:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:02:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:02:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 08:02:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 08:02:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 08:02:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2023-11-19 08:02:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 08:02:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 08:02:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 08:02:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 08:02:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 08:02:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 08:02:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-19 08:02:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-19 08:02:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:02:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:02:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:02:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:02:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 08:02:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 08:02:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 08:02:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2023-11-19 08:02:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2023-11-19 08:02:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:02:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:02:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 08:02:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 08:02:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 08:02:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:49,447 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:49,450 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:00,422 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:00,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:00,437 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:03:00,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:00 BoogieIcfgContainer [2023-11-19 08:03:00,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:00,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:00,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:00,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:00,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:45" (1/3) ... [2023-11-19 08:03:00,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533a5977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:00, skipping insertion in model container [2023-11-19 08:03:00,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (2/3) ... [2023-11-19 08:03:00,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533a5977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:00, skipping insertion in model container [2023-11-19 08:03:00,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:00" (3/3) ... [2023-11-19 08:03:00,476 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2023-11-19 08:03:00,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:00,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:03:00,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:00,576 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;@1aa8f76a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:00,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:03:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 347 states, 256 states have (on average 1.38671875) internal successors, (355), 267 states have internal predecessors, (355), 62 states have call successors, (62), 27 states have call predecessors, (62), 27 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:03:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 08:03:00,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:00,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:00,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:00,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:00,609 INFO L85 PathProgramCache]: Analyzing trace with hash -849008508, now seen corresponding path program 1 times [2023-11-19 08:03:00,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:03:00,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467658655] [2023-11-19 08:03:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:00,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:03:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:03:00,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:03:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:01,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:01,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:01,924 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 08:03:01,924 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:01,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:03:01,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467658655] [2023-11-19 08:03:01,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467658655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:01,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:01,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:01,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076710323] [2023-11-19 08:03:01,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:01,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:01,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:03:01,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:01,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:01,982 INFO L87 Difference]: Start difference. First operand has 347 states, 256 states have (on average 1.38671875) internal successors, (355), 267 states have internal predecessors, (355), 62 states have call successors, (62), 27 states have call predecessors, (62), 27 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) 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, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:02,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:02,409 INFO L93 Difference]: Finished difference Result 818 states and 1145 transitions. [2023-11-19 08:03:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:02,412 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, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-19 08:03:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:02,432 INFO L225 Difference]: With dead ends: 818 [2023-11-19 08:03:02,432 INFO L226 Difference]: Without dead ends: 466 [2023-11-19 08:03:02,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 08:03:02,443 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 166 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:02,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 943 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:03:02,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-11-19 08:03:02,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 451. [2023-11-19 08:03:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 338 states have (on average 1.3875739644970415) internal successors, (469), 348 states have internal predecessors, (469), 76 states have call successors, (76), 37 states have call predecessors, (76), 36 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2023-11-19 08:03:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 612 transitions. [2023-11-19 08:03:02,562 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 612 transitions. Word has length 17 [2023-11-19 08:03:02,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:02,563 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 612 transitions. [2023-11-19 08:03:02,563 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, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:02,564 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 612 transitions. [2023-11-19 08:03:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 08:03:02,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:02,568 INFO L195 NwaCegarLoop]: trace histogram [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 08:03:02,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda0ccf9-172c-4335-bbc5-a3d489ec3c61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0