./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.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_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:22,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:22,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 04:07:22,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:22,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:22,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:22,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:22,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:22,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:22,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:22,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:22,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:22,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:22,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:22,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:22,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:22,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:22,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:22,866 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:22,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:22,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:22,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:22,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:22,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:22,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:22,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:22,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:22,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:22,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:22,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:22,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 [2023-11-19 04:07:23,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:23,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:23,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:23,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:23,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:23,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2023-11-19 04:07:26,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:27,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:27,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2023-11-19 04:07:27,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/data/df85c07ca/f69097cfb587423590fc35c0378f194c/FLAG72a7e3e95 [2023-11-19 04:07:27,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/data/df85c07ca/f69097cfb587423590fc35c0378f194c [2023-11-19 04:07:27,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:27,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:27,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:27,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:27,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:27,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d4c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27, skipping insertion in model container [2023-11-19 04:07:27,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:28,282 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2023-11-19 04:07:28,283 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2023-11-19 04:07:28,479 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_3d11ae81-d1a6-433c-b463-b2dbc3883090/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2023-11-19 04:07:29,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:29,295 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:29,401 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2023-11-19 04:07:29,403 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2023-11-19 04:07:29,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2023-11-19 04:07:29,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2023-11-19 04:07:29,418 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_3d11ae81-d1a6-433c-b463-b2dbc3883090/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2023-11-19 04:07:29,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:29,678 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:29,689 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:29,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29 WrapperNode [2023-11-19 04:07:29,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:29,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:29,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:29,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:29,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:29,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,022 INFO L138 Inliner]: procedures = 142, calls = 1023, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2124 [2023-11-19 04:07:30,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:30,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:30,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:30,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:30,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:30,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:30,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:30,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:30,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:30,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:30,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:30,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:30,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d11ae81-d1a6-433c-b463-b2dbc3883090/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2023-11-19 04:07:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2023-11-19 04:07:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2023-11-19 04:07:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2023-11-19 04:07:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:07:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 04:07:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 04:07:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2023-11-19 04:07:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2023-11-19 04:07:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2023-11-19 04:07:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2023-11-19 04:07:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:07:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:07:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2023-11-19 04:07:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2023-11-19 04:07:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:07:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:07:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:07:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:07:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2023-11-19 04:07:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2023-11-19 04:07:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2023-11-19 04:07:30,409 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2023-11-19 04:07:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:07:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:07:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2023-11-19 04:07:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2023-11-19 04:07:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2023-11-19 04:07:30,412 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2023-11-19 04:07:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:07:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:07:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:07:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 04:07:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 04:07:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 04:07:30,416 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 04:07:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:07:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2023-11-19 04:07:30,416 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2023-11-19 04:07:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2023-11-19 04:07:30,417 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2023-11-19 04:07:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 04:07:30,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 04:07:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-19 04:07:30,418 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-19 04:07:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:07:30,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:07:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2023-11-19 04:07:30,418 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2023-11-19 04:07:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2023-11-19 04:07:30,419 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2023-11-19 04:07:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:07:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2023-11-19 04:07:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2023-11-19 04:07:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 04:07:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 04:07:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:07:30,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:07:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:07:30,421 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:07:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 04:07:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 04:07:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:07:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:07:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:07:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:07:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2023-11-19 04:07:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2023-11-19 04:07:30,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:30,425 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2023-11-19 04:07:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2023-11-19 04:07:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2023-11-19 04:07:30,426 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2023-11-19 04:07:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:07:30,427 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:07:31,033 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:31,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:31,559 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:07:33,672 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:34,791 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:34,791 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:07:34,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:34 BoogieIcfgContainer [2023-11-19 04:07:34,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:34,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:34,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:34,818 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:34,818 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:34" (1/1) ... [2023-11-19 04:07:34,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 507 states and 737 transitions. [2023-11-19 04:07:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 737 transitions. [2023-11-19 04:07:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:07:34,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:34,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:07:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 512 states and 774 transitions. [2023-11-19 04:07:36,077 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 774 transitions. [2023-11-19 04:07:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:07:36,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 513 states and 775 transitions. [2023-11-19 04:07:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 775 transitions. [2023-11-19 04:07:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:07:36,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:36,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 517 states and 813 transitions. [2023-11-19 04:07:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 813 transitions. [2023-11-19 04:07:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:07:37,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 522 states and 852 transitions. [2023-11-19 04:07:37,841 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 852 transitions. [2023-11-19 04:07:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:07:37,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 525 states and 882 transitions. [2023-11-19 04:07:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 882 transitions. [2023-11-19 04:07:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:07:38,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:38,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 526 states and 882 transitions. [2023-11-19 04:07:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 882 transitions. [2023-11-19 04:07:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:07:38,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:38,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:39,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 533 states and 923 transitions. [2023-11-19 04:07:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 923 transitions. [2023-11-19 04:07:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:07:39,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:39,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:07:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 536 states and 928 transitions. [2023-11-19 04:07:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 928 transitions. [2023-11-19 04:07:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:07:40,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:40,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 537 states and 928 transitions. [2023-11-19 04:07:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 928 transitions. [2023-11-19 04:07:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:07:40,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:40,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:07:40,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 540 states and 934 transitions. [2023-11-19 04:07:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 934 transitions. [2023-11-19 04:07:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:07:40,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:40,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 543 states and 939 transitions. [2023-11-19 04:07:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 939 transitions. [2023-11-19 04:07:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:07:41,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:41,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 542 states and 932 transitions. [2023-11-19 04:07:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 932 transitions. [2023-11-19 04:07:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:07:41,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:41,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 541 states and 925 transitions. [2023-11-19 04:07:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 925 transitions. [2023-11-19 04:07:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:07:41,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:41,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 542 states and 925 transitions. [2023-11-19 04:07:42,089 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 925 transitions. [2023-11-19 04:07:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:07:42,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:42,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:07:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 545 states and 931 transitions. [2023-11-19 04:07:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 931 transitions. [2023-11-19 04:07:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:07:42,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:42,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 553 states and 967 transitions. [2023-11-19 04:07:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 967 transitions. [2023-11-19 04:07:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:07:43,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:43,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:07:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 555 states and 971 transitions. [2023-11-19 04:07:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 971 transitions. [2023-11-19 04:07:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:07:44,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 562 states and 1016 transitions. [2023-11-19 04:07:45,441 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1016 transitions. [2023-11-19 04:07:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:07:45,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:45,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 561 states and 1014 transitions. [2023-11-19 04:07:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1014 transitions. [2023-11-19 04:07:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:07:45,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:45,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:07:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 564 states and 1019 transitions. [2023-11-19 04:07:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1019 transitions. [2023-11-19 04:07:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:07:46,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 568 states and 1027 transitions. [2023-11-19 04:07:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1027 transitions. [2023-11-19 04:07:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:07:46,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 574 states and 1071 transitions. [2023-11-19 04:07:47,619 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1071 transitions. [2023-11-19 04:07:47,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:07:47,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:47,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 577 states and 1103 transitions. [2023-11-19 04:07:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1103 transitions. [2023-11-19 04:07:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:07:48,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:48,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:07:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 582 states and 1113 transitions. [2023-11-19 04:07:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1113 transitions. [2023-11-19 04:07:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:07:48,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:07:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 585 states and 1118 transitions. [2023-11-19 04:07:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1118 transitions. [2023-11-19 04:07:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:07:48,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:48,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:07:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 586 states and 1118 transitions. [2023-11-19 04:07:49,179 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1118 transitions. [2023-11-19 04:07:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:07:49,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:50,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 591 states and 1153 transitions. [2023-11-19 04:07:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1153 transitions. [2023-11-19 04:07:50,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:07:50,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:50,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 593 states and 1178 transitions. [2023-11-19 04:07:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1178 transitions. [2023-11-19 04:07:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:50,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:50,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:50,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:07:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 596 states and 1182 transitions. [2023-11-19 04:07:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1182 transitions. [2023-11-19 04:07:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:50,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:50,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 597 states and 1182 transitions. [2023-11-19 04:07:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1182 transitions. [2023-11-19 04:07:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:51,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:51,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 600 states and 1187 transitions. [2023-11-19 04:07:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1187 transitions. [2023-11-19 04:07:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:51,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:51,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:52,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 601 states and 1187 transitions. [2023-11-19 04:07:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1187 transitions. [2023-11-19 04:07:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:52,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:52,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:54,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 611 states and 1248 transitions. [2023-11-19 04:07:54,554 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1248 transitions. [2023-11-19 04:07:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:54,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:54,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 612 states and 1251 transitions. [2023-11-19 04:07:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1251 transitions. [2023-11-19 04:07:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:55,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:55,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:55,352 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:07:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 613 states and 1251 transitions. [2023-11-19 04:07:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1251 transitions. [2023-11-19 04:07:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:55,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:55,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 616 states and 1279 transitions. [2023-11-19 04:07:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1279 transitions. [2023-11-19 04:07:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:56,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:56,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 619 states and 1306 transitions. [2023-11-19 04:07:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1306 transitions. [2023-11-19 04:07:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:07:57,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:07:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 622 states and 1310 transitions. [2023-11-19 04:07:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1310 transitions. [2023-11-19 04:07:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:07:57,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:07:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 624 states and 1312 transitions. [2023-11-19 04:07:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1312 transitions. [2023-11-19 04:07:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:07:57,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 625 states and 1312 transitions. [2023-11-19 04:07:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1312 transitions. [2023-11-19 04:07:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:07:58,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 04:07:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 626 states and 1313 transitions. [2023-11-19 04:07:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1313 transitions. [2023-11-19 04:07:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:07:58,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:58,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:07:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 630 states and 1341 transitions. [2023-11-19 04:07:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1341 transitions. [2023-11-19 04:07:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:07:59,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:59,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:08:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 633 states and 1345 transitions. [2023-11-19 04:08:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1345 transitions. [2023-11-19 04:08:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:08:00,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:00,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:08:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:00,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 634 states and 1348 transitions. [2023-11-19 04:08:00,247 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1348 transitions. [2023-11-19 04:08:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:08:00,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:00,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:08:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 635 states and 1348 transitions. [2023-11-19 04:08:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1348 transitions. [2023-11-19 04:08:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:08:00,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:08:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 636 states and 1348 transitions. [2023-11-19 04:08:00,729 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1348 transitions. [2023-11-19 04:08:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:08:00,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:00,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:08:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 637 states and 1348 transitions. [2023-11-19 04:08:01,022 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1348 transitions. [2023-11-19 04:08:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:08:01,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:01,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:08:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 640 states and 1357 transitions. [2023-11-19 04:08:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1357 transitions. [2023-11-19 04:08:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:08:01,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:01,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:08:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:02,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 642 states and 1362 transitions. [2023-11-19 04:08:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1362 transitions. [2023-11-19 04:08:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:02,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:02,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:08:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 642 states and 1346 transitions. [2023-11-19 04:08:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1346 transitions. [2023-11-19 04:08:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:03,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:08:03,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 647 states and 1357 transitions. [2023-11-19 04:08:03,588 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1357 transitions. [2023-11-19 04:08:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:03,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:03,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:08:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 647 states and 1356 transitions. [2023-11-19 04:08:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1356 transitions. [2023-11-19 04:08:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:03,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:03,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:08:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 648 states and 1356 transitions. [2023-11-19 04:08:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1356 transitions. [2023-11-19 04:08:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:04,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:08:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 656 states and 1392 transitions. [2023-11-19 04:08:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1392 transitions. [2023-11-19 04:08:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:05,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:05,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.