./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-43_2a-drivers--usb--class--cdc-acm.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_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:08,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:09,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:08:09,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:09,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:09,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:09,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:09,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:09,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:09,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:09,109 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:09,110 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:09,111 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:09,112 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:09,113 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:09,113 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:09,114 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:09,115 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:09,116 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:09,117 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:09,118 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:09,119 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:09,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:09,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:09,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:09,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:09,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:09,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:09,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:09,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:09,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:09,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:09,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:09,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:09,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:09,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:09,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:09,130 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:09,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:09,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:09,136 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:09,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:09,137 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2023-11-19 05:08:09,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:09,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:09,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:09,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:09,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:09,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 05:08:12,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:13,760 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:13,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 05:08:13,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/data/459c9782f/42ea2e5d203e46df9c001743d35a4ea8/FLAG078829db0 [2023-11-19 05:08:13,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/data/459c9782f/42ea2e5d203e46df9c001743d35a4ea8 [2023-11-19 05:08:13,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:13,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:13,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:13,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:13,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:13,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:13" (1/1) ... [2023-11-19 05:08:13,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2eca17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:13, skipping insertion in model container [2023-11-19 05:08:13,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:13" (1/1) ... [2023-11-19 05:08:14,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:16,577 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_2a6a058b-554c-4119-a105-e1a1cb4619f5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2023-11-19 05:08:16,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:16,786 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:16,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3885] [2023-11-19 05:08:16,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3887] [2023-11-19 05:08:16,893 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"); [3897] [2023-11-19 05:08:16,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3904] [2023-11-19 05:08:16,898 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; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3912-3913] [2023-11-19 05:08:16,899 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)); [3927-3928] [2023-11-19 05:08:16,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4059] [2023-11-19 05:08:16,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4062] [2023-11-19 05:08:16,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4065] [2023-11-19 05:08:16,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4068] [2023-11-19 05:08:16,916 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [4107-4108] [2023-11-19 05:08:16,917 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [4112-4113] [2023-11-19 05:08:16,917 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [4117-4118] [2023-11-19 05:08:16,917 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; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [4122-4123] [2023-11-19 05:08:16,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5263] [2023-11-19 05:08:17,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5901-5902] [2023-11-19 05:08:17,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5906-5907] [2023-11-19 05:08:17,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5911-5912] [2023-11-19 05:08:17,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5916-5917] [2023-11-19 05:08:17,218 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_2a6a058b-554c-4119-a105-e1a1cb4619f5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2023-11-19 05:08:17,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:17,447 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:08:17,447 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:08:17,447 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:08:17,447 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:08:17,448 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:08:17,455 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:17,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17 WrapperNode [2023-11-19 05:08:17,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:17,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:17,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:17,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:17,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:17,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:17,977 INFO L138 Inliner]: procedures = 286, calls = 3982, calls flagged for inlining = 142, calls inlined = 121, statements flattened = 8346 [2023-11-19 05:08:17,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:17,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:17,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:17,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:17,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:17,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:18,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:18,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:18,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:18,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:18,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:18,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:18,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:18,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6a058b-554c-4119-a105-e1a1cb4619f5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-19 05:08:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-19 05:08:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-19 05:08:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-19 05:08:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 05:08:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 05:08:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 05:08:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 05:08:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:08:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:08:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:08:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:08:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:08:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:08:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-19 05:08:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-19 05:08:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-19 05:08:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-19 05:08:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:08:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:08:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:08:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:08:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:08:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:08:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:08:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:08:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 05:08:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 05:08:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-19 05:08:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-19 05:08:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-19 05:08:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-19 05:08:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:08:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:08:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 05:08:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 05:08:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:08:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:08:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 05:08:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 05:08:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 05:08:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 05:08:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:08:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:08:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:08:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:08:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:08:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:08:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-19 05:08:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-19 05:08:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-19 05:08:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-19 05:08:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-19 05:08:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-19 05:08:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:08:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:08:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:08:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:08:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:08:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-19 05:08:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-19 05:08:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 05:08:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 05:08:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:08:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-19 05:08:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-19 05:08:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-19 05:08:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-19 05:08:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 05:08:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 05:08:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:08:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:08:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:08:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:08:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2023-11-19 05:08:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2023-11-19 05:08:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:08:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:08:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:08:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:08:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 05:08:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 05:08:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 05:08:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 05:08:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:08:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:08:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:08:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:08:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-19 05:08:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-19 05:08:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 05:08:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 05:08:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-19 05:08:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-19 05:08:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-11-19 05:08:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-11-19 05:08:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-19 05:08:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-19 05:08:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:08:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-19 05:08:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-19 05:08:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:08:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:08:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:08:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-19 05:08:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-19 05:08:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:08:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-19 05:08:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-19 05:08:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 05:08:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 05:08:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:08:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:08:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 05:08:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 05:08:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-19 05:08:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-19 05:08:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-19 05:08:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-19 05:08:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:08:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:08:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 05:08:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 05:08:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:08:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:08:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-19 05:08:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-19 05:08:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-19 05:08:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-19 05:08:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 05:08:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 05:08:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:08:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:08:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:08:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2023-11-19 05:08:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2023-11-19 05:08:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:08:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:08:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-19 05:08:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-19 05:08:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 05:08:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 05:08:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-19 05:08:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-19 05:08:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-19 05:08:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-19 05:08:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 05:08:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 05:08:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:08:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:08:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 05:08:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 05:08:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-19 05:08:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-19 05:08:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-19 05:08:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-19 05:08:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:08:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:08:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:08:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:08:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:08:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:08:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:08:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 05:08:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 05:08:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-11-19 05:08:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-11-19 05:08:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:08:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:08:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 05:08:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 05:08:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-19 05:08:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-19 05:08:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-19 05:08:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-19 05:08:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-19 05:08:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-19 05:08:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-19 05:08:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-19 05:08:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 05:08:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 05:08:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:08:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:08:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 05:08:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 05:08:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:08:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 05:08:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 05:08:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 05:08:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 05:08:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-19 05:08:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-19 05:08:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-19 05:08:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-19 05:08:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:08:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:08:19,543 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:19,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:19,895 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:08:40,262 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:42,203 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:42,203 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:08:42,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:42 BoogieIcfgContainer [2023-11-19 05:08:42,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:42,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:42,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:42,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:42,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:13" (1/3) ... [2023-11-19 05:08:42,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6135affa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:42, skipping insertion in model container [2023-11-19 05:08:42,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17" (2/3) ... [2023-11-19 05:08:42,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6135affa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:42, skipping insertion in model container [2023-11-19 05:08:42,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:42" (3/3) ... [2023-11-19 05:08:42,233 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 05:08:42,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:42,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:08:42,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:42,440 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=FINITE_AUTOMATA, 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;@247aef57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:42,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:08:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 1257 states, 788 states have (on average 1.3604060913705585) internal successors, (1072), 816 states have internal predecessors, (1072), 379 states have call successors, (379), 89 states have call predecessors, (379), 88 states have return successors, (370), 369 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-19 05:08:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-19 05:08:42,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:42,500 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 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, 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 05:08:42,501 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:08:42,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1312318785, now seen corresponding path program 1 times [2023-11-19 05:08:42,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:08:42,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869754092] [2023-11-19 05:08:42,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:42,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms