./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-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:27,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:27,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:56:27,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:27,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:27,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:27,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:27,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:27,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:27,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:27,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:27,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:27,967 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:27,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:27,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:56:27,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:27,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:27,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:56:27,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:27,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:56:27,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:27,974 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:27,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:27,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:27,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:27,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:27,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:27,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:27,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:56:27,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:27,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:56:27,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:27,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:56:27,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:27,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:27,984 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:27,985 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_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a [2023-11-19 07:56:28,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:28,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:28,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:28,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:28,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:28,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-19 07:56:31,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:32,528 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:32,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-19 07:56:32,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/data/202731ea4/800d229bafda491db6a403cf578259af/FLAGd25589033 [2023-11-19 07:56:32,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/data/202731ea4/800d229bafda491db6a403cf578259af [2023-11-19 07:56:32,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:32,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:32,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:32,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:32,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:32,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:32" (1/1) ... [2023-11-19 07:56:32,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48249ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:32, skipping insertion in model container [2023-11-19 07:56:32,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:32" (1/1) ... [2023-11-19 07:56:32,853 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:35,819 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_1433d693-5a80-45b1-b7e1-f1c2e083d744/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2023-11-19 07:56:35,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:36,002 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:36,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3952] [2023-11-19 07:56:36,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3954] [2023-11-19 07:56:36,216 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"); [3964] [2023-11-19 07:56:36,218 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [4008-4009] [2023-11-19 07:56:36,219 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"); [4020-4021] [2023-11-19 07:56:36,219 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"); [4024-4025] [2023-11-19 07:56:36,220 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"); [4028-4029] [2023-11-19 07:56:36,220 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"); [4032-4033] [2023-11-19 07:56:36,644 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)); [8079] [2023-11-19 07:56:36,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8086] [2023-11-19 07:56:36,646 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [8095-8096] [2023-11-19 07:56:36,647 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"); [8112-8113] [2023-11-19 07:56:36,648 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)); [8127-8128] [2023-11-19 07:56:36,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [8142] [2023-11-19 07:56:36,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8145] [2023-11-19 07:56:36,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8148] [2023-11-19 07:56:36,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8151] [2023-11-19 07:56:36,797 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_1433d693-5a80-45b1-b7e1-f1c2e083d744/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2023-11-19 07:56:36,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:37,082 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:37,082 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:37,083 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:37,092 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:37,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37 WrapperNode [2023-11-19 07:56:37,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:37,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:37,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:37,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:37,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,535 INFO L138 Inliner]: procedures = 388, calls = 4014, calls flagged for inlining = 193, calls inlined = 190, statements flattened = 8080 [2023-11-19 07:56:37,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:37,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:37,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:37,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:37,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:37,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:38,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:38,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:38,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:38,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:38,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:38,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (1/1) ... [2023-11-19 07:56:38,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:38,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:38,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:38,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1433d693-5a80-45b1-b7e1-f1c2e083d744/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-11-19 07:56:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-11-19 07:56:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-11-19 07:56:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-11-19 07:56:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-19 07:56:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-19 07:56:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 07:56:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 07:56:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:56:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:56:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-19 07:56:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-19 07:56:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-11-19 07:56:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-11-19 07:56:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-11-19 07:56:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-11-19 07:56:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:56:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:56:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-11-19 07:56:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-11-19 07:56:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:56:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:56:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-19 07:56:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-19 07:56:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-11-19 07:56:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-11-19 07:56:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-11-19 07:56:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-11-19 07:56:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-11-19 07:56:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-11-19 07:56:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:56:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:56:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-19 07:56:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-19 07:56:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-11-19 07:56:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-11-19 07:56:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-11-19 07:56:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-11-19 07:56:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 07:56:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 07:56:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2023-11-19 07:56:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2023-11-19 07:56:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:56:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:56:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-11-19 07:56:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-11-19 07:56:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-11-19 07:56:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-11-19 07:56:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-11-19 07:56:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-11-19 07:56:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-11-19 07:56:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-11-19 07:56:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:56:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:56:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:56:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:56:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:56:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-19 07:56:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-19 07:56:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-11-19 07:56:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-11-19 07:56:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:56:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-11-19 07:56:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-11-19 07:56:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:56:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:56:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:56:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:56:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-11-19 07:56:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-11-19 07:56:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:56:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:56:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:56:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 07:56:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 07:56:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-11-19 07:56:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-11-19 07:56:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:56:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:56:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-11-19 07:56:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-11-19 07:56:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-19 07:56:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-19 07:56:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:56:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:56:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:56:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-11-19 07:56:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-11-19 07:56:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:56:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:56:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:56:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:56:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:56:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-11-19 07:56:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-11-19 07:56:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-11-19 07:56:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-11-19 07:56:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-19 07:56:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-19 07:56:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:56:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 07:56:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 07:56:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-11-19 07:56:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-11-19 07:56:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-19 07:56:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-19 07:56:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:56:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:56:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:56:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:56:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 07:56:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 07:56:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:56:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:56:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:56:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:56:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:56:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:56:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:56:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:56:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:56:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-11-19 07:56:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-11-19 07:56:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 07:56:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 07:56:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-11-19 07:56:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-11-19 07:56:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:56:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:56:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-11-19 07:56:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-11-19 07:56:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:56:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:56:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-11-19 07:56:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-11-19 07:56:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:56:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:56:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-11-19 07:56:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-11-19 07:56:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-11-19 07:56:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-11-19 07:56:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 07:56:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 07:56:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:56:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:56:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:56:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:56:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-19 07:56:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-19 07:56:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:56:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:56:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:56:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:56:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-11-19 07:56:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-11-19 07:56:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-11-19 07:56:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-11-19 07:56:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:56:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:56:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 07:56:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 07:56:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-19 07:56:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-19 07:56:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:56:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:56:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 07:56:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 07:56:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:56:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:56:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-11-19 07:56:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-11-19 07:56:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-11-19 07:56:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-11-19 07:56:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2023-11-19 07:56:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2023-11-19 07:56:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-11-19 07:56:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-11-19 07:56:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:56:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:56:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-11-19 07:56:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-11-19 07:56:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-19 07:56:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-19 07:56:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:56:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:56:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:56:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-11-19 07:56:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-11-19 07:56:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-11-19 07:56:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-11-19 07:56:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:56:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:56:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:56:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-11-19 07:56:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-11-19 07:56:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:56:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:56:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:56:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:56:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:56:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:56:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:56:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-11-19 07:56:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-11-19 07:56:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:56:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:56:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-11-19 07:56:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-11-19 07:56:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:56:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:56:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:56:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:56:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:56:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:56:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-11-19 07:56:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-11-19 07:56:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-11-19 07:56:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-11-19 07:56:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 07:56:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 07:56:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-19 07:56:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-19 07:56:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-11-19 07:56:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-11-19 07:56:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-11-19 07:56:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-11-19 07:56:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-11-19 07:56:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-11-19 07:56:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 07:56:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 07:56:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-11-19 07:56:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-11-19 07:56:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:56:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:56:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-11-19 07:56:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-11-19 07:56:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-11-19 07:56:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-11-19 07:56:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:56:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:56:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 07:56:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 07:56:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:56:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:56:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:56:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-11-19 07:56:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-11-19 07:56:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-11-19 07:56:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-11-19 07:56:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-19 07:56:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-19 07:56:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 07:56:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 07:56:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:56:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:56:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-19 07:56:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-19 07:56:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-11-19 07:56:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-11-19 07:56:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-11-19 07:56:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-11-19 07:56:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:56:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:56:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-11-19 07:56:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-11-19 07:56:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2023-11-19 07:56:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2023-11-19 07:56:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-11-19 07:56:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-11-19 07:56:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:56:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:56:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-11-19 07:56:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-11-19 07:56:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-11-19 07:56:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-11-19 07:56:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-19 07:56:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-19 07:56:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:56:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:56:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:56:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:56:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-11-19 07:56:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-11-19 07:56:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-19 07:56:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-19 07:56:39,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:39,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:39,944 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:56:54,027 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:54,069 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:54,070 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:56:54,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:54 BoogieIcfgContainer [2023-11-19 07:56:54,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:54,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:56:54,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:56:54,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:56:54,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:32" (1/3) ... [2023-11-19 07:56:54,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e14ab95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:54, skipping insertion in model container [2023-11-19 07:56:54,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:37" (2/3) ... [2023-11-19 07:56:54,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e14ab95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:54, skipping insertion in model container [2023-11-19 07:56:54,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:54" (3/3) ... [2023-11-19 07:56:54,104 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-19 07:56:54,126 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:56:54,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:56:54,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:56:54,262 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;@792b2368, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:56:54,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:56:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 2507 states, 1770 states have (on average 1.3378531073446327) internal successors, (2368), 1830 states have internal predecessors, (2368), 601 states have call successors, (601), 135 states have call predecessors, (601), 134 states have return successors, (590), 576 states have call predecessors, (590), 590 states have call successors, (590) [2023-11-19 07:56:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-19 07:56:54,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:54,352 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:54,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:54,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:54,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1916083045, now seen corresponding path program 1 times [2023-11-19 07:56:54,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:54,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143465969] [2023-11-19 07:56:54,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:54,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:56:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:56:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:56:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:56:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:56:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:56:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:56:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:56:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:56:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:56:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:56:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:56:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:56:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-19 07:56:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-19 07:56:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-19 07:56:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-19 07:56:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-19 07:56:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-19 07:56:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-19 07:56:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-19 07:56:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-19 07:56:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:56:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-19 07:56:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-19 07:56:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2023-11-19 07:56:56,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:56,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143465969] [2023-11-19 07:56:56,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143465969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:56,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:56,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:56:56,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10754223] [2023-11-19 07:56:56,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:56,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:56:56,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:56,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:56:56,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:56:56,754 INFO L87 Difference]: Start difference. First operand has 2507 states, 1770 states have (on average 1.3378531073446327) internal successors, (2368), 1830 states have internal predecessors, (2368), 601 states have call successors, (601), 135 states have call predecessors, (601), 134 states have return successors, (590), 576 states have call predecessors, (590), 590 states have call successors, (590) Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:57:04,140 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 [] [2023-11-19 07:57:06,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:57:08,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []