./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/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_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:51:04,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:05,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:51:05,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:05,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:05,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:05,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:05,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:05,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:05,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:05,156 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:05,157 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:05,158 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:05,159 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:51:05,160 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:05,160 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:05,161 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:51:05,161 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:51:05,162 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:05,162 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:51:05,164 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:51:05,165 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:51:05,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:05,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:05,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:51:05,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:05,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:05,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:05,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:05,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:05,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:05,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:05,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:05,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:05,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:05,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:05,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:05,172 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:51:05,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:51:05,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:05,172 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:05,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:05,173 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_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2023-11-12 00:51:05,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:05,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:05,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:05,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:05,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:05,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:51:08,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:09,283 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:09,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/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 [2023-11-12 00:51:09,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/data/e93027411/d93309995e2b43bb9ce268c4b819f8bd/FLAGcde4fd6c8 [2023-11-12 00:51:09,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/data/e93027411/d93309995e2b43bb9ce268c4b819f8bd [2023-11-12 00:51:09,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:09,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:09,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:09,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:09,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:09,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:09" (1/1) ... [2023-11-12 00:51:09,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb099fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:09, skipping insertion in model container [2023-11-12 00:51:09,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:09" (1/1) ... [2023-11-12 00:51:09,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:11,322 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_3cf8a140-0d77-4417-aba7-29b1b3477489/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] [2023-11-12 00:51:11,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:11,497 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:11,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3885] [2023-11-12 00:51:11,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3887] [2023-11-12 00:51:11,601 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] [2023-11-12 00:51:11,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3904] [2023-11-12 00:51:11,605 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] [2023-11-12 00:51:11,606 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] [2023-11-12 00:51:11,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4059] [2023-11-12 00:51:11,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4062] [2023-11-12 00:51:11,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4065] [2023-11-12 00:51:11,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4068] [2023-11-12 00:51:11,622 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] [2023-11-12 00:51:11,622 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] [2023-11-12 00:51:11,623 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] [2023-11-12 00:51:11,623 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] [2023-11-12 00:51:11,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5263] [2023-11-12 00:51:11,819 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] [2023-11-12 00:51:11,820 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] [2023-11-12 00:51:11,821 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] [2023-11-12 00:51:11,821 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] [2023-11-12 00:51:11,950 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_3cf8a140-0d77-4417-aba7-29b1b3477489/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] [2023-11-12 00:51:11,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:12,298 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:51:12,312 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:51:12,312 WARN L672 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:51:12,312 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:51:12,312 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:51:12,320 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:12,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12 WrapperNode [2023-11-12 00:51:12,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:12,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:12,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:12,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:12,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:12,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:12,787 INFO L138 Inliner]: procedures = 286, calls = 3982, calls flagged for inlining = 142, calls inlined = 121, statements flattened = 8346 [2023-11-12 00:51:12,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:12,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:12,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:12,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:12,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:12,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:12,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:12,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:13,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:13,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:13,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:13,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:13,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:13,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:13,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:13,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:13,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (1/1) ... [2023-11-12 00:51:13,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:13,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:13,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:13,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf8a140-0d77-4417-aba7-29b1b3477489/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-12 00:51:13,406 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-12 00:51:13,407 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-12 00:51:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-12 00:51:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-12 00:51:13,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-12 00:51:13,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-12 00:51:13,411 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 00:51:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:51:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:51:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:51:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:51:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:51:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:51:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-12 00:51:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-12 00:51:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-12 00:51:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-12 00:51:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 00:51:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 00:51:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:51:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:51:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:51:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:51:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:51:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:51:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 00:51:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 00:51:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-12 00:51:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-12 00:51:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-12 00:51:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-12 00:51:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:51:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:51:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-12 00:51:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-12 00:51:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:51:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:51:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-12 00:51:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-12 00:51:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-12 00:51:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-12 00:51:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:51:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:51:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:51:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:51:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-12 00:51:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-12 00:51:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-12 00:51:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-12 00:51:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-12 00:51:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-12 00:51:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:51:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:51:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:51:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:51:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:51:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-12 00:51:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-12 00:51:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-12 00:51:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-12 00:51:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:51:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-12 00:51:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-12 00:51:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-12 00:51:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-12 00:51:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:51:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:51:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:51:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:51:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:51:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:51:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2023-11-12 00:51:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2023-11-12 00:51:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:51:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:51:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:51:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:51:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 00:51:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 00:51:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-12 00:51:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-12 00:51:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:51:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:51:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:51:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:51:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-12 00:51:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-12 00:51:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-12 00:51:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-12 00:51:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-12 00:51:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-12 00:51:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-11-12 00:51:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-11-12 00:51:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-12 00:51:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-12 00:51:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:51:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-12 00:51:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-12 00:51:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:51:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:51:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:51:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-12 00:51:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-12 00:51:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:51:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-12 00:51:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-12 00:51:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-12 00:51:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-12 00:51:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:51:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:51:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 00:51:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 00:51:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-12 00:51:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-12 00:51:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-12 00:51:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-12 00:51:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:51:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:51:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-12 00:51:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-12 00:51:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:51:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:51:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-12 00:51:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-12 00:51:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-12 00:51:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-12 00:51:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-12 00:51:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-12 00:51:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:51:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:51:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:51:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2023-11-12 00:51:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2023-11-12 00:51:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 00:51:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 00:51:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-12 00:51:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-12 00:51:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 00:51:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 00:51:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-12 00:51:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-12 00:51:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-12 00:51:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-12 00:51:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:51:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:51:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:51:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:51:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-12 00:51:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-12 00:51:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-12 00:51:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-12 00:51:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-12 00:51:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-12 00:51:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:51:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:51:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:51:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:51:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:51:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:51:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:51:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:51:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:51:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-11-12 00:51:13,456 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-11-12 00:51:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 00:51:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 00:51:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-12 00:51:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-12 00:51:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-12 00:51:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-12 00:51:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-12 00:51:13,457 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-12 00:51:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-12 00:51:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-12 00:51:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-12 00:51:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-12 00:51:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 00:51:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 00:51:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:51:13,458 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:51:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 00:51:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 00:51:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-12 00:51:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-12 00:51:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-12 00:51:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-12 00:51:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-12 00:51:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-12 00:51:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-12 00:51:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-12 00:51:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:51:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:51:14,401 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:14,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:14,702 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:51:33,191 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:35,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:35,354 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:51:35,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:35 BoogieIcfgContainer [2023-11-12 00:51:35,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:35,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:35,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:35,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:35,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:09" (1/3) ... [2023-11-12 00:51:35,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd399ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:35, skipping insertion in model container [2023-11-12 00:51:35,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:12" (2/3) ... [2023-11-12 00:51:35,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd399ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:35, skipping insertion in model container [2023-11-12 00:51:35,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:35" (3/3) ... [2023-11-12 00:51:35,374 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-12 00:51:35,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:35,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:35,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:35,514 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;@2d2fa64f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:35,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:35,528 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) [2023-11-12 00:51:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-12 00:51:35,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:35,585 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] [2023-11-12 00:51:35,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:35,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:35,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1312318785, now seen corresponding path program 1 times [2023-11-12 00:51:35,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:35,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323278383] [2023-11-12 00:51:35,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms