./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.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_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:10,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:10,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:30:10,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:10,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:10,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:10,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:10,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:10,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:10,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:10,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:10,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:10,902 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:10,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:10,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:10,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:10,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:10,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:10,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:10,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:10,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:10,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:10,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:10,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:10,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:10,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:10,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:10,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:10,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:10,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:10,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:30:10,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:10,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:10,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:10,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:10,915 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:10,916 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d [2023-11-12 02:30:11,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:11,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:11,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:11,310 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:11,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:11,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-12 02:30:14,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:15,182 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:15,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-12 02:30:15,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/data/53eb455ec/210e014d03894c9fac4193847126962b/FLAGbfeadbea9 [2023-11-12 02:30:15,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/data/53eb455ec/210e014d03894c9fac4193847126962b [2023-11-12 02:30:15,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:15,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:15,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:15,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:15,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:15,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:15" (1/1) ... [2023-11-12 02:30:15,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ac75ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:15, skipping insertion in model container [2023-11-12 02:30:15,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:15" (1/1) ... [2023-11-12 02:30:15,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:16,855 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_a12ff55f-bb24-4775-8935-9effa9f8cd1c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-11-12 02:30:18,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:18,232 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:18,378 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"); [3760] [2023-11-12 02:30:18,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3794-3795] [2023-11-12 02:30:18,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3798-3799] [2023-11-12 02:30:18,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3802-3803] [2023-11-12 02:30:18,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3806-3807] [2023-11-12 02:30:18,400 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_a12ff55f-bb24-4775-8935-9effa9f8cd1c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-11-12 02:30:18,749 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [7459] [2023-11-12 02:30:18,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7466] [2023-11-12 02:30:18,751 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7475-7476] [2023-11-12 02:30:18,752 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,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7492-7493] [2023-11-12 02:30:18,753 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)); [7507-7508] [2023-11-12 02:30:18,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7521] [2023-11-12 02:30:18,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7524] [2023-11-12 02:30:18,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7527] [2023-11-12 02:30:18,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7530] [2023-11-12 02:30:18,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7547] [2023-11-12 02:30:18,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7550] [2023-11-12 02:30:18,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7553] [2023-11-12 02:30:18,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7556] [2023-11-12 02:30:18,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:19,159 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:19,160 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:19,160 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:19,169 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:19,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19 WrapperNode [2023-11-12 02:30:19,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:19,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:19,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:19,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:19,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,588 INFO L138 Inliner]: procedures = 371, calls = 3106, calls flagged for inlining = 200, calls inlined = 181, statements flattened = 6466 [2023-11-12 02:30:19,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:19,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:19,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:19,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:19,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:19,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:19,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:19,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:19,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (1/1) ... [2023-11-12 02:30:19,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:20,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:20,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12ff55f-bb24-4775-8935-9effa9f8cd1c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-11-12 02:30:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-11-12 02:30:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-11-12 02:30:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-11-12 02:30:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-11-12 02:30:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-11-12 02:30:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-11-12 02:30:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-11-12 02:30:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 02:30:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 02:30:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_14 [2023-11-12 02:30:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_14 [2023-11-12 02:30:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-12 02:30:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-12 02:30:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:30:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:30:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-12 02:30:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-12 02:30:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-11-12 02:30:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-11-12 02:30:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-11-12 02:30:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-11-12 02:30:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-11-12 02:30:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-11-12 02:30:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-12 02:30:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-12 02:30:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-11-12 02:30:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-11-12 02:30:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:30:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:30:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 02:30:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 02:30:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-11-12 02:30:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-11-12 02:30:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:30:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:30:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 02:30:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 02:30:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-12 02:30:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-12 02:30:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-12 02:30:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-12 02:30:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-11-12 02:30:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-11-12 02:30:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-11-12 02:30:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-11-12 02:30:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-11-12 02:30:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-11-12 02:30:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-12 02:30:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-12 02:30:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:30:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:30:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:30:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:30:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-11-12 02:30:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-11-12 02:30:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-11-12 02:30:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-11-12 02:30:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-11-12 02:30:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-11-12 02:30:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-12 02:30:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-12 02:30:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-11-12 02:30:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-11-12 02:30:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 02:30:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 02:30:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-11-12 02:30:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-11-12 02:30:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-11-12 02:30:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-11-12 02:30:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-11-12 02:30:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-11-12 02:30:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-11-12 02:30:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-11-12 02:30:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-11-12 02:30:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-11-12 02:30:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___2 [2023-11-12 02:30:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___2 [2023-11-12 02:30:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-12 02:30:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-12 02:30:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 02:30:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-12 02:30:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:30:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:30:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:30:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:30:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:30:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:30:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-11-12 02:30:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-11-12 02:30:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-12 02:30:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-12 02:30:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-11-12 02:30:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-11-12 02:30:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-11-12 02:30:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-11-12 02:30:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-12 02:30:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-12 02:30:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:30:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 02:30:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 02:30:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 02:30:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-11-12 02:30:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-11-12 02:30:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-11-12 02:30:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-11-12 02:30:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-12 02:30:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-12 02:30:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:30:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:30:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-11-12 02:30:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-11-12 02:30:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-11-12 02:30:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-11-12 02:30:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:30:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:30:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:30:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:30:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:30:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:30:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-12 02:30:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-12 02:30:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 02:30:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 02:30:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-12 02:30:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-12 02:30:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:30:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:30:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-11-12 02:30:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-11-12 02:30:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-11-12 02:30:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-11-12 02:30:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:30:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:30:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:30:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:30:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:30:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:30:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-11-12 02:30:20,096 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-11-12 02:30:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-12 02:30:20,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-12 02:30:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-11-12 02:30:20,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-11-12 02:30:20,096 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:30:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:30:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-11-12 02:30:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-11-12 02:30:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-11-12 02:30:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-11-12 02:30:20,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:30:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-11-12 02:30:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-11-12 02:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:30:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-12 02:30:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-12 02:30:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:30:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:30:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-11-12 02:30:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-11-12 02:30:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-11-12 02:30:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-11-12 02:30:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-11-12 02:30:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-11-12 02:30:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-11-12 02:30:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-11-12 02:30:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:30:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-11-12 02:30:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-11-12 02:30:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-12 02:30:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-12 02:30:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-11-12 02:30:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-11-12 02:30:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 02:30:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 02:30:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-11-12 02:30:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-11-12 02:30:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-11-12 02:30:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-11-12 02:30:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:30:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:30:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-12 02:30:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-12 02:30:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-12 02:30:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-12 02:30:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-11-12 02:30:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-11-12 02:30:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:30:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:30:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_41 [2023-11-12 02:30:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_41 [2023-11-12 02:30:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2023-11-12 02:30:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2023-11-12 02:30:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-12 02:30:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-12 02:30:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:30:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-11-12 02:30:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-11-12 02:30:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:30:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:30:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-11-12 02:30:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-11-12 02:30:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-12 02:30:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-12 02:30:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:30:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:30:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-12 02:30:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-12 02:30:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-11-12 02:30:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-11-12 02:30:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-11-12 02:30:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-11-12 02:30:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:30:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-11-12 02:30:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-11-12 02:30:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:30:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:30:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:30:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:30:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2023-11-12 02:30:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2023-11-12 02:30:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_4 [2023-11-12 02:30:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_4 [2023-11-12 02:30:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:30:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:30:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:30:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:30:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-11-12 02:30:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-11-12 02:30:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 02:30:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 02:30:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-11-12 02:30:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-11-12 02:30:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_22 [2023-11-12 02:30:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_22 [2023-11-12 02:30:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-11-12 02:30:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-11-12 02:30:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-11-12 02:30:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-11-12 02:30:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-11-12 02:30:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-11-12 02:30:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-12 02:30:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-12 02:30:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:30:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:30:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-11-12 02:30:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-11-12 02:30:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:30:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:30:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-11-12 02:30:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-11-12 02:30:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 02:30:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 02:30:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-12 02:30:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-12 02:30:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:30:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-12 02:30:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-12 02:30:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-11-12 02:30:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-11-12 02:30:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:30:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:30:21,146 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:21,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:21,726 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:30:22,733 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___2FINAL: assume true; [2023-11-12 02:30:32,127 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:32,159 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:32,159 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:30:32,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:32 BoogieIcfgContainer [2023-11-12 02:30:32,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:32,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:32,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:32,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:32,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:15" (1/3) ... [2023-11-12 02:30:32,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8825e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:32, skipping insertion in model container [2023-11-12 02:30:32,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:19" (2/3) ... [2023-11-12 02:30:32,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8825e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:32, skipping insertion in model container [2023-11-12 02:30:32,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:32" (3/3) ... [2023-11-12 02:30:32,177 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-12 02:30:32,199 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:32,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:32,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:32,333 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4eb16afb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:32,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 2245 states, 1589 states have (on average 1.3272498426683448) internal successors, (2109), 1630 states have internal predecessors, (2109), 529 states have call successors, (529), 127 states have call predecessors, (529), 125 states have return successors, (515), 504 states have call predecessors, (515), 515 states have call successors, (515) [2023-11-12 02:30:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 02:30:32,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:32,386 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:32,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:32,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:32,395 INFO L85 PathProgramCache]: Analyzing trace with hash -310888403, now seen corresponding path program 1 times [2023-11-12 02:30:32,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:32,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408030066] [2023-11-12 02:30:32,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:32,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:30:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:30:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:30:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:30:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:30:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:30:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:30:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:30:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-12 02:30:33,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:33,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408030066] [2023-11-12 02:30:33,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408030066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:33,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:33,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:30:33,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873622418] [2023-11-12 02:30:33,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:33,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:33,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:33,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:33,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:33,897 INFO L87 Difference]: Start difference. First operand has 2245 states, 1589 states have (on average 1.3272498426683448) internal successors, (2109), 1630 states have internal predecessors, (2109), 529 states have call successors, (529), 127 states have call predecessors, (529), 125 states have return successors, (515), 504 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-12 02:30:38,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:47,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:47,865 INFO L93 Difference]: Finished difference Result 7103 states and 10448 transitions. [2023-11-12 02:30:47,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:30:47,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 69 [2023-11-12 02:30:47,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:47,974 INFO L225 Difference]: With dead ends: 7103 [2023-11-12 02:30:47,974 INFO L226 Difference]: Without dead ends: 4826 [2023-11-12 02:30:48,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:30:48,013 INFO L413 NwaCegarLoop]: 2587 mSDtfsCounter, 4261 mSDsluCounter, 3710 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 1481 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4651 SdHoareTripleChecker+Valid, 6297 SdHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1481 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:48,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4651 Valid, 6297 Invalid, 3562 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1481 Valid, 2080 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2023-11-12 02:30:48,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2023-11-12 02:30:48,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4316. [2023-11-12 02:30:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4316 states, 3081 states have (on average 1.318078545926647) internal successors, (4061), 3124 states have internal predecessors, (4061), 989 states have call successors, (989), 246 states have call predecessors, (989), 245 states have return successors, (982), 960 states have call predecessors, (982), 982 states have call successors, (982) [2023-11-12 02:30:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 6032 transitions. [2023-11-12 02:30:48,573 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 6032 transitions. Word has length 69 [2023-11-12 02:30:48,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:48,574 INFO L495 AbstractCegarLoop]: Abstraction has 4316 states and 6032 transitions. [2023-11-12 02:30:48,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-12 02:30:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 6032 transitions. [2023-11-12 02:30:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 02:30:48,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:48,596 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:48,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:30:48,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:48,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:48,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1368070871, now seen corresponding path program 1 times [2023-11-12 02:30:48,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:48,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163914738] [2023-11-12 02:30:48,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:30:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:30:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:30:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:30:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:30:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:30:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:30:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:30:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:30:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-12 02:30:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-12 02:30:49,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:49,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163914738] [2023-11-12 02:30:49,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163914738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:49,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:49,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:30:49,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413846060] [2023-11-12 02:30:49,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:49,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:49,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:49,377 INFO L87 Difference]: Start difference. First operand 4316 states and 6032 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-12 02:30:54,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []