./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.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_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/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_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/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_3680354e-6f7a-4e4f-9f03-689a2e0c381b/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 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:59:31,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:59:31,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:59:31,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:59:31,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:59:31,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:59:31,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:59:31,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:59:31,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:59:31,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:59:31,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:59:31,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:59:31,739 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:59:31,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:59:31,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:59:31,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:59:31,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:59:31,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:59:31,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:59:31,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:59:31,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:59:31,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:59:31,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:59:31,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:59:31,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:59:31,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:31,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:59:31,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:59:31,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:59:31,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:59:31,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:59:31,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:59:31,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:59:31,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:59:31,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:59:31,754 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:59:31,755 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_3680354e-6f7a-4e4f-9f03-689a2e0c381b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 [2023-11-19 07:59:32,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:59:32,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:59:32,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:59:32,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:59:32,097 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:59:32,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2023-11-19 07:59:35,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:36,021 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:36,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2023-11-19 07:59:36,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/data/4f7938acd/0c414c16b5694c7487be90cbdcd1cdf0/FLAG932b5ddd7 [2023-11-19 07:59:36,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/data/4f7938acd/0c414c16b5694c7487be90cbdcd1cdf0 [2023-11-19 07:59:36,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:36,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:36,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:36,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:36,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:36,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:36" (1/1) ... [2023-11-19 07:59:36,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4b4464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:36, skipping insertion in model container [2023-11-19 07:59:36,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:36" (1/1) ... [2023-11-19 07:59:36,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:37,393 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_3680354e-6f7a-4e4f-9f03-689a2e0c381b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2023-11-19 07:59:37,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:37,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:38,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3320-3321] [2023-11-19 07:59:38,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3358] [2023-11-19 07:59:38,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3361] [2023-11-19 07:59:38,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3364] [2023-11-19 07:59:38,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3367] [2023-11-19 07:59:38,198 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_3680354e-6f7a-4e4f-9f03-689a2e0c381b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2023-11-19 07:59:38,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5850] [2023-11-19 07:59:38,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5855] [2023-11-19 07:59:38,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5860] [2023-11-19 07:59:38,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5865] [2023-11-19 07:59:38,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [5899] [2023-11-19 07:59:38,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [5904] [2023-11-19 07:59:38,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [5909] [2023-11-19 07:59:38,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [5914] [2023-11-19 07:59:38,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:38,610 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:38,610 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:38,610 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:38,610 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:38,619 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:38,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38 WrapperNode [2023-11-19 07:59:38,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:38,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:38,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:38,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:38,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:38,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:38,940 INFO L138 Inliner]: procedures = 204, calls = 2437, calls flagged for inlining = 86, calls inlined = 86, statements flattened = 5417 [2023-11-19 07:59:38,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:38,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:38,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:38,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:38,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:38,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:39,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:39,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:39,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:39,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (1/1) ... [2023-11-19 07:59:39,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:39,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:39,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:39,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3680354e-6f7a-4e4f-9f03-689a2e0c381b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:59:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:59:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2023-11-19 07:59:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2023-11-19 07:59:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 07:59:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 07:59:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:59:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:59:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:59:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:59:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:59:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-11-19 07:59:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-11-19 07:59:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2023-11-19 07:59:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2023-11-19 07:59:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:59:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:59:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:59:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:59:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2023-11-19 07:59:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2023-11-19 07:59:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 07:59:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 07:59:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-11-19 07:59:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-11-19 07:59:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2023-11-19 07:59:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2023-11-19 07:59:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:59:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:59:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:59:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:59:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2023-11-19 07:59:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2023-11-19 07:59:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:59:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:59:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2023-11-19 07:59:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2023-11-19 07:59:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:59:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:59:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2023-11-19 07:59:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2023-11-19 07:59:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2023-11-19 07:59:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2023-11-19 07:59:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2023-11-19 07:59:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2023-11-19 07:59:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-19 07:59:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-19 07:59:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2023-11-19 07:59:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2023-11-19 07:59:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-19 07:59:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-19 07:59:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:59:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:59:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:59:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:59:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2023-11-19 07:59:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2023-11-19 07:59:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2023-11-19 07:59:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2023-11-19 07:59:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2023-11-19 07:59:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2023-11-19 07:59:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:59:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 07:59:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 07:59:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:59:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:59:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:59:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2023-11-19 07:59:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2023-11-19 07:59:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:59:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2023-11-19 07:59:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2023-11-19 07:59:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-19 07:59:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-19 07:59:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:59:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:59:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:59:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:59:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:59:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:59:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2023-11-19 07:59:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2023-11-19 07:59:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-11-19 07:59:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-11-19 07:59:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:59:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:59:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2023-11-19 07:59:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2023-11-19 07:59:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:59:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:59:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:59:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:59:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:59:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:59:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:59:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:59:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-11-19 07:59:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-11-19 07:59:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:59:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:59:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-11-19 07:59:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-11-19 07:59:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:59:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:59:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:59:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:59:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:59:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:59:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:59:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2023-11-19 07:59:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2023-11-19 07:59:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2023-11-19 07:59:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2023-11-19 07:59:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:59:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:59:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 07:59:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 07:59:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2023-11-19 07:59:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2023-11-19 07:59:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2023-11-19 07:59:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2023-11-19 07:59:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:59:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:59:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:59:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:59:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:59:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2023-11-19 07:59:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2023-11-19 07:59:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2023-11-19 07:59:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2023-11-19 07:59:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2023-11-19 07:59:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2023-11-19 07:59:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:59:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:59:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:59:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:59:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-11-19 07:59:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-11-19 07:59:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2023-11-19 07:59:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2023-11-19 07:59:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:59:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-19 07:59:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2023-11-19 07:59:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2023-11-19 07:59:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-19 07:59:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-19 07:59:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:59:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:59:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2023-11-19 07:59:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2023-11-19 07:59:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:59:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:59:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-19 07:59:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-19 07:59:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-19 07:59:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-19 07:59:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:59:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:59:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2023-11-19 07:59:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2023-11-19 07:59:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-19 07:59:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-19 07:59:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:59:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:59:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2023-11-19 07:59:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2023-11-19 07:59:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 07:59:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 07:59:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2023-11-19 07:59:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2023-11-19 07:59:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:59:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2023-11-19 07:59:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2023-11-19 07:59:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-11-19 07:59:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-11-19 07:59:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:40,207 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:40,212 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:40,504 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:00:32,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:32,271 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:32,272 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:32,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:32 BoogieIcfgContainer [2023-11-19 08:00:32,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:32,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:32,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:32,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:32,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:36" (1/3) ... [2023-11-19 08:00:32,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88fefbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:32, skipping insertion in model container [2023-11-19 08:00:32,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:38" (2/3) ... [2023-11-19 08:00:32,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88fefbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:32, skipping insertion in model container [2023-11-19 08:00:32,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:32" (3/3) ... [2023-11-19 08:00:32,303 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2023-11-19 08:00:32,325 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:32,325 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:00:32,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:32,436 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;@7d162e72, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:32,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:00:32,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 1922 states, 1397 states have (on average 1.4452397995705082) internal successors, (2019), 1426 states have internal predecessors, (2019), 445 states have call successors, (445), 79 states have call predecessors, (445), 78 states have return successors, (440), 438 states have call predecessors, (440), 440 states have call successors, (440) [2023-11-19 08:00:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 08:00:32,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:32,476 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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 08:00:32,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:32,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:32,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1605518085, now seen corresponding path program 1 times [2023-11-19 08:00:32,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:32,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631068414] [2023-11-19 08:00:32,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:32,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 08:00:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:00:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 08:00:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 08:00:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 08:00:35,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:35,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631068414] [2023-11-19 08:00:35,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631068414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:35,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:35,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:00:35,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095294875] [2023-11-19 08:00:35,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:35,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:35,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL