./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 20e4a1f568783894f17840aa5f338f3fb65a6686c2b0eb1bb7dec08049ab8d00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:05,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:05,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:34:05,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:05,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:05,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:05,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:05,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:05,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:05,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:05,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:05,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:05,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:05,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:05,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:05,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:05,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:05,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:05,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:05,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:05,310 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:05,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:05,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:05,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:05,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:05,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:05,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:05,324 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:05,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:05,325 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:05,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20e4a1f568783894f17840aa5f338f3fb65a6686c2b0eb1bb7dec08049ab8d00 [2023-11-19 03:34:05,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:05,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:05,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:05,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:05,730 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:05,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2023-11-19 03:34:09,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:09,949 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:09,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2023-11-19 03:34:09,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/data/75ad53831/f49aa05045da41faa973a2554e6705ff/FLAGfb44288ec [2023-11-19 03:34:10,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/data/75ad53831/f49aa05045da41faa973a2554e6705ff [2023-11-19 03:34:10,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:10,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:10,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:10,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:10,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:10,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:10" (1/1) ... [2023-11-19 03:34:10,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be2687c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:10, skipping insertion in model container [2023-11-19 03:34:10,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:10" (1/1) ... [2023-11-19 03:34:10,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:12,099 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_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2023-11-19 03:34:12,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:12,332 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:12,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2452] [2023-11-19 03:34:12,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2455] [2023-11-19 03:34:12,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2458] [2023-11-19 03:34:12,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2461] [2023-11-19 03:34:12,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2613] [2023-11-19 03:34:12,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2621] [2023-11-19 03:34:12,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [2899-2900] [2023-11-19 03:34:12,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [2904-2905] [2023-11-19 03:34:12,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [2909-2910] [2023-11-19 03:34:12,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [2914-2915] [2023-11-19 03:34:12,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [3218-3219] [2023-11-19 03:34:12,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [3223-3224] [2023-11-19 03:34:12,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [3228-3229] [2023-11-19 03:34:12,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [3233-3234] [2023-11-19 03:34:12,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___15->state): : "memory", "cc"); [3313-3314] [2023-11-19 03:34:12,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___16->state): : "memory", "cc"); [3318-3319] [2023-11-19 03:34:12,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [3323-3324] [2023-11-19 03:34:12,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [3328-3329] [2023-11-19 03:34:12,764 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_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2023-11-19 03:34:12,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:12,996 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:12,996 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:12,997 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:13,006 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:13,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13 WrapperNode [2023-11-19 03:34:13,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:13,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:13,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:13,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:13,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,337 INFO L138 Inliner]: procedures = 199, calls = 2245, calls flagged for inlining = 73, calls inlined = 51, statements flattened = 3275 [2023-11-19 03:34:13,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:13,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:13,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:13,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:13,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:13,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:13,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:13,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:13,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:13" (1/1) ... [2023-11-19 03:34:13,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:13,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:13,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:13,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90af42ca-a9b9-45ba-9fbd-6cb749461ef2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 03:34:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 03:34:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-19 03:34:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-19 03:34:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 03:34:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 03:34:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 03:34:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 03:34:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 03:34:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 03:34:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 03:34:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 03:34:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 03:34:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2023-11-19 03:34:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2023-11-19 03:34:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 03:34:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 03:34:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 03:34:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 03:34:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 03:34:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 03:34:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:34:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:34:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_resume [2023-11-19 03:34:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_resume [2023-11-19 03:34:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 03:34:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 03:34:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:34:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 03:34:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 03:34:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:34:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 03:34:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 03:34:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2023-11-19 03:34:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2023-11-19 03:34:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 03:34:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 03:34:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_send_address [2023-11-19 03:34:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_send_address [2023-11-19 03:34:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 03:34:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 03:34:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:34:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_wait [2023-11-19 03:34:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_wait [2023-11-19 03:34:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_remove [2023-11-19 03:34:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_remove [2023-11-19 03:34:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:34:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 03:34:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 03:34:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 03:34:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 03:34:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 03:34:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 03:34:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:34:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-19 03:34:13,670 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-19 03:34:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_write [2023-11-19 03:34:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_write [2023-11-19 03:34:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:34:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_ready [2023-11-19 03:34:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_ready [2023-11-19 03:34:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 03:34:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_suspend [2023-11-19 03:34:13,672 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_suspend [2023-11-19 03:34:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_read [2023-11-19 03:34:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_read [2023-11-19 03:34:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_probe [2023-11-19 03:34:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_probe [2023-11-19 03:34:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 03:34:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 03:34:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-19 03:34:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-19 03:34:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 03:34:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 03:34:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 03:34:13,677 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 03:34:14,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:14,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:48,707 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 03:34:50,764 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:51,719 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:51,720 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:34:51,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:51 BoogieIcfgContainer [2023-11-19 03:34:51,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:51,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:51,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:51,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:51,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:51" (1/1) ... [2023-11-19 03:34:51,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 680 states and 1049 transitions. [2023-11-19 03:34:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1049 transitions. [2023-11-19 03:34:51,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:34:51,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:53,050 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 03:34:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 685 states and 1090 transitions. [2023-11-19 03:34:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1090 transitions. [2023-11-19 03:34:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:34:53,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:53,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:34:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 686 states and 1091 transitions. [2023-11-19 03:34:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1091 transitions. [2023-11-19 03:34:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:34:53,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:54,209 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 03:34:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 691 states and 1137 transitions. [2023-11-19 03:34:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1137 transitions. [2023-11-19 03:34:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:34:54,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:54,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 694 states and 1179 transitions. [2023-11-19 03:34:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1179 transitions. [2023-11-19 03:34:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:34:55,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:55,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 702 states and 1230 transitions. [2023-11-19 03:34:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1230 transitions. [2023-11-19 03:34:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:34:57,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:57,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 701 states and 1224 transitions. [2023-11-19 03:34:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1224 transitions. [2023-11-19 03:34:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:34:57,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:57,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:34:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 702 states and 1224 transitions. [2023-11-19 03:34:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1224 transitions. [2023-11-19 03:34:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:34:57,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:57,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:58,371 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 03:34:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 717 states and 1295 transitions. [2023-11-19 03:34:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1295 transitions. [2023-11-19 03:34:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:34:59,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:59,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 719 states and 1297 transitions. [2023-11-19 03:34:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1297 transitions. [2023-11-19 03:34:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:34:59,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:59,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:35:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:00,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 720 states and 1298 transitions. [2023-11-19 03:35:00,574 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1298 transitions. [2023-11-19 03:35:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:35:00,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:00,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.