./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-32_7a-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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/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_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/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_f9bd620b-7e79-4ce0-a149-2daffd6396ef/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 bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:00,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:00,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:42:00,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:00,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:00,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:00,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:00,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:00,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:00,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:00,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:00,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:00,728 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:00,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:00,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:00,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:00,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:00,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:00,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:00,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:00,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:00,733 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:00,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:00,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:00,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:00,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:00,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:00,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:00,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:00,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:00,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:00,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:00,738 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:00,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:00,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:00,745 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:00,745 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_f9bd620b-7e79-4ce0-a149-2daffd6396ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 [2023-11-19 07:42:01,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:01,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:01,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:01,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:01,154 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:01,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-19 07:42:04,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:05,169 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:05,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-19 07:42:05,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/data/79f5fce00/96c7702984bc4c759f8e43b71035fdc3/FLAG2cc5b196a [2023-11-19 07:42:05,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/data/79f5fce00/96c7702984bc4c759f8e43b71035fdc3 [2023-11-19 07:42:05,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:05,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:05,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:05,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:05,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:05,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:05" (1/1) ... [2023-11-19 07:42:05,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d3808d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:05, skipping insertion in model container [2023-11-19 07:42:05,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:05" (1/1) ... [2023-11-19 07:42:05,419 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:08,211 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_f9bd620b-7e79-4ce0-a149-2daffd6396ef/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2023-11-19 07:42:08,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:08,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:08,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3943] [2023-11-19 07:42:08,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3945] [2023-11-19 07:42:08,724 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"); [3955] [2023-11-19 07:42:08,725 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"); [3999-4000] [2023-11-19 07:42:08,726 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"); [4011-4012] [2023-11-19 07:42:08,727 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"); [4015-4016] [2023-11-19 07:42:08,727 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"); [4019-4020] [2023-11-19 07:42:08,727 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"); [4023-4024] [2023-11-19 07:42:09,148 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)); [8320] [2023-11-19 07:42:09,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8327] [2023-11-19 07:42:09,149 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"); [8336-8337] [2023-11-19 07:42:09,149 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"); [8353-8354] [2023-11-19 07:42:09,150 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)); [8368-8369] [2023-11-19 07:42:09,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [8383] [2023-11-19 07:42:09,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8386] [2023-11-19 07:42:09,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8389] [2023-11-19 07:42:09,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8392] [2023-11-19 07:42:09,253 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_f9bd620b-7e79-4ce0-a149-2daffd6396ef/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2023-11-19 07:42:09,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:09,536 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:09,536 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:09,537 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:09,545 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:09,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09 WrapperNode [2023-11-19 07:42:09,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:09,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:09,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:09,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:09,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:09,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,021 INFO L138 Inliner]: procedures = 481, calls = 4190, calls flagged for inlining = 214, calls inlined = 207, statements flattened = 8236 [2023-11-19 07:42:10,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:10,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:10,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:10,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:10,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:10,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:10,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:10,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:10,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (1/1) ... [2023-11-19 07:42:10,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:10,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:10,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:10,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9bd620b-7e79-4ce0-a149-2daffd6396ef/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-11-19 07:42:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-11-19 07:42:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-11-19 07:42:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-11-19 07:42:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 07:42:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 07:42:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:42:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:42:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-19 07:42:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-19 07:42:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-11-19 07:42:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-11-19 07:42:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-11-19 07:42:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-11-19 07:42:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:42:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:42:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-11-19 07:42:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-11-19 07:42:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:42:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:42:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-19 07:42:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-19 07:42:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-11-19 07:42:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-11-19 07:42:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-11-19 07:42:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-11-19 07:42:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-11-19 07:42:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-11-19 07:42:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:42:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:42:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-19 07:42:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-19 07:42:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-11-19 07:42:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-11-19 07:42:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-11-19 07:42:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-11-19 07:42:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 07:42:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 07:42:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2023-11-19 07:42:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2023-11-19 07:42:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:42:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:42:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-11-19 07:42:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-11-19 07:42:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-11-19 07:42:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-11-19 07:42:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-11-19 07:42:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-11-19 07:42:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-11-19 07:42:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-11-19 07:42:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:42:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:42:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:42:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:42:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:42:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-19 07:42:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-19 07:42:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-11-19 07:42:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-11-19 07:42:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:42:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-11-19 07:42:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-11-19 07:42:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:42:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:42:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:42:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:42:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-11-19 07:42:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-11-19 07:42:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:42:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:42:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 07:42:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 07:42:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-11-19 07:42:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-11-19 07:42:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:42:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:42:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-11-19 07:42:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-11-19 07:42:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-19 07:42:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-19 07:42:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:42:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:42:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:42:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-11-19 07:42:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-11-19 07:42:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:42:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:42:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:42:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:42:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:42:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-11-19 07:42:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-11-19 07:42:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-11-19 07:42:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-11-19 07:42:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-19 07:42:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-19 07:42:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:42:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 07:42:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 07:42:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-11-19 07:42:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-11-19 07:42:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-19 07:42:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-19 07:42:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:42:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:42:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:42:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:42:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 07:42:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 07:42:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:42:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:42:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:42:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:42:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:42:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:42:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:42:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:42:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-11-19 07:42:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-11-19 07:42:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 07:42:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 07:42:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-11-19 07:42:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-11-19 07:42:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:42:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:42:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-11-19 07:42:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-11-19 07:42:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:42:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:42:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-11-19 07:42:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-11-19 07:42:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:42:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:42:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-11-19 07:42:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-11-19 07:42:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-11-19 07:42:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-11-19 07:42:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 07:42:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 07:42:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:42:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:42:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:42:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:42:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-19 07:42:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-19 07:42:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:42:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:42:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:42:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:42:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-11-19 07:42:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-11-19 07:42:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-11-19 07:42:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-11-19 07:42:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:42:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:42:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-19 07:42:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-19 07:42:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:42:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:42:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 07:42:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 07:42:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:42:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:42:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-11-19 07:42:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-11-19 07:42:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-11-19 07:42:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-11-19 07:42:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2023-11-19 07:42:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2023-11-19 07:42:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-11-19 07:42:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-11-19 07:42:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:42:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:42:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-11-19 07:42:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2023-11-19 07:42:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-11-19 07:42:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-11-19 07:42:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 07:42:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 07:42:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-19 07:42:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-19 07:42:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:42:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:42:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-11-19 07:42:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-11-19 07:42:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-11-19 07:42:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-11-19 07:42:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-19 07:42:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-19 07:42:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:42:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:42:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:42:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-11-19 07:42:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-11-19 07:42:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:42:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:42:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:42:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:42:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:42:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-19 07:42:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-19 07:42:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:42:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:42:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-11-19 07:42:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-11-19 07:42:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:42:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:42:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-11-19 07:42:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-11-19 07:42:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:42:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:42:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:42:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:42:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-11-19 07:42:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-11-19 07:42:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-11-19 07:42:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-11-19 07:42:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 07:42:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 07:42:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-19 07:42:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-19 07:42:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-11-19 07:42:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-11-19 07:42:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-11-19 07:42:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-11-19 07:42:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-11-19 07:42:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-11-19 07:42:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 07:42:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 07:42:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-11-19 07:42:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-11-19 07:42:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:42:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:42:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-11-19 07:42:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-11-19 07:42:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-11-19 07:42:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-11-19 07:42:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:42:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:42:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 07:42:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 07:42:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:42:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:42:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:42:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-11-19 07:42:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-11-19 07:42:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-11-19 07:42:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-11-19 07:42:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-19 07:42:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-19 07:42:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 07:42:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 07:42:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:42:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:42:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-19 07:42:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-19 07:42:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-11-19 07:42:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-11-19 07:42:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-11-19 07:42:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2023-11-19 07:42:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-11-19 07:42:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-11-19 07:42:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:42:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:42:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-11-19 07:42:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-11-19 07:42:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2023-11-19 07:42:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2023-11-19 07:42:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-11-19 07:42:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-11-19 07:42:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2023-11-19 07:42:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2023-11-19 07:42:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:42:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:42:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2023-11-19 07:42:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2023-11-19 07:42:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-11-19 07:42:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-11-19 07:42:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-11-19 07:42:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-11-19 07:42:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-19 07:42:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-19 07:42:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:42:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:42:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:42:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:42:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-11-19 07:42:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-11-19 07:42:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-19 07:42:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-19 07:42:11,736 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:11,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:12,333 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:42:25,687 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:25,720 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:25,721 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:42:25,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:25 BoogieIcfgContainer [2023-11-19 07:42:25,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:25,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:25,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:25,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:25,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:05" (1/3) ... [2023-11-19 07:42:25,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a01afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:25, skipping insertion in model container [2023-11-19 07:42:25,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:09" (2/3) ... [2023-11-19 07:42:25,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a01afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:25, skipping insertion in model container [2023-11-19 07:42:25,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:25" (3/3) ... [2023-11-19 07:42:25,755 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-19 07:42:25,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:25,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:42:25,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:25,899 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;@57c7d64e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:25,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:42:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 2571 states, 1795 states have (on average 1.3353760445682452) internal successors, (2397), 1861 states have internal predecessors, (2397), 636 states have call successors, (636), 139 states have call predecessors, (636), 138 states have return successors, (625), 611 states have call predecessors, (625), 625 states have call successors, (625) [2023-11-19 07:42:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-11-19 07:42:25,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:25,942 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] [2023-11-19 07:42:25,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:25,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:25,949 INFO L85 PathProgramCache]: Analyzing trace with hash -58900173, now seen corresponding path program 1 times [2023-11-19 07:42:25,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:25,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484227740] [2023-11-19 07:42:25,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:25,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:42:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:42:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:42:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:42:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:42:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:42:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:42:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:42:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:42:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:42:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:42:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:42:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:42:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:42:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:42:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-19 07:42:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-19 07:42:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-19 07:42:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-19 07:42:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-19 07:42:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:28,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-19 07:42:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-19 07:42:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-19 07:42:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-19 07:42:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:42:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:28,104 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 07:42:28,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:28,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484227740] [2023-11-19 07:42:28,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484227740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:28,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:28,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:28,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243925060] [2023-11-19 07:42:28,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:28,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:42:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:28,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:42:28,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:28,171 INFO L87 Difference]: Start difference. First operand has 2571 states, 1795 states have (on average 1.3353760445682452) internal successors, (2397), 1861 states have internal predecessors, (2397), 636 states have call successors, (636), 139 states have call predecessors, (636), 138 states have return successors, (625), 611 states have call predecessors, (625), 625 states have call successors, (625) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 07:42:33,149 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 07:42:35,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:42:37,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []