./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/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_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0ada5a793906a8c21c0c37214d90767529226ee2d6e9139376b7842d17987b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:02,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:02,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:58:02,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:02,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:02,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:02,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:02,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:02,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:02,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:02,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:02,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:02,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:02,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:02,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:02,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:02,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:02,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:02,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:02,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:02,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:02,980 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:02,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:02,982 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:02,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:02,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:02,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:02,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:02,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:02,994 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:02,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:02,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:02,997 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_399f9b74-f595-4acb-a06a-9a2814adf07f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ada5a793906a8c21c0c37214d90767529226ee2d6e9139376b7842d17987b9 [2023-11-19 03:58:03,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:03,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:03,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:03,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:03,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:03,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-11-19 03:58:06,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:07,514 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:07,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-11-19 03:58:07,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/data/4c3a4bb9d/00aaf184ca024d579bf729c2b61bb3d5/FLAG0479ba145 [2023-11-19 03:58:07,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/data/4c3a4bb9d/00aaf184ca024d579bf729c2b61bb3d5 [2023-11-19 03:58:07,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:07,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:07,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:07,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:07,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:07,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:07" (1/1) ... [2023-11-19 03:58:07,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7766d438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:07, skipping insertion in model container [2023-11-19 03:58:07,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:07" (1/1) ... [2023-11-19 03:58:07,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:10,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:10,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:10,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:11,150 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,150 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,150 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,151 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,151 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,151 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,151 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,152 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,152 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,152 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:11,160 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:11,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11 WrapperNode [2023-11-19 03:58:11,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:11,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:11,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:11,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:11,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,577 INFO L138 Inliner]: procedures = 676, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 4457 [2023-11-19 03:58:11,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:11,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:11,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:11,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:11,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:11,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:11,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:11,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:11,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:11" (1/1) ... [2023-11-19 03:58:11,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:11,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:11,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399f9b74-f595-4acb-a06a-9a2814adf07f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 03:58:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-19 03:58:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-19 03:58:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-19 03:58:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-19 03:58:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-19 03:58:11,955 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-19 03:58:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-19 03:58:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-19 03:58:11,955 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-19 03:58:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:58:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:58:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-19 03:58:11,956 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-19 03:58:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-19 03:58:11,957 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-19 03:58:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:58:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 03:58:11,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 03:58:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-19 03:58:11,958 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-19 03:58:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-19 03:58:11,958 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-19 03:58:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-19 03:58:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-19 03:58:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:58:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:58:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-19 03:58:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-19 03:58:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:58:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 03:58:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:58:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:58:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-19 03:58:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-19 03:58:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-19 03:58:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-19 03:58:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-19 03:58:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:58:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:58:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 03:58:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 03:58:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:58:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:58:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-19 03:58:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-19 03:58:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-19 03:58:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-19 03:58:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-19 03:58:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-19 03:58:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-19 03:58:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-19 03:58:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-19 03:58:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-19 03:58:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-19 03:58:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-19 03:58:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:58:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:58:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-19 03:58:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-19 03:58:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:58:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-19 03:58:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-19 03:58:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:58:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-19 03:58:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-19 03:58:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-19 03:58:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-19 03:58:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-19 03:58:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-19 03:58:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-19 03:58:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-19 03:58:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-19 03:58:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-19 03:58:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-19 03:58:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-19 03:58:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 03:58:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:58:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-19 03:58:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-19 03:58:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-19 03:58:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-19 03:58:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-19 03:58:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-19 03:58:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 03:58:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 03:58:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 03:58:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-19 03:58:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-19 03:58:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:12,581 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:12,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:17,869 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:20,865 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:20,866 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 03:58:20,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:20 BoogieIcfgContainer [2023-11-19 03:58:20,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:20,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:20,885 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:20,896 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:20,896 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:20" (1/1) ... [2023-11-19 03:58:20,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 933 states and 1276 transitions. [2023-11-19 03:58:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1276 transitions. [2023-11-19 03:58:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:58:21,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:21,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 935 states and 1279 transitions. [2023-11-19 03:58:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1279 transitions. [2023-11-19 03:58:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:58:23,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:23,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 936 states and 1280 transitions. [2023-11-19 03:58:23,756 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1280 transitions. [2023-11-19 03:58:23,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:58:23,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-11-19 03:58:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-19 03:58:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:58:24,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:24,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:58:25,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 937 states and 1282 transitions. [2023-11-19 03:58:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1282 transitions. [2023-11-19 03:58:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:25,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:25,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-11-19 03:58:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-19 03:58:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:25,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:25,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:58:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 937 states and 1282 transitions. [2023-11-19 03:58:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1282 transitions. [2023-11-19 03:58:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:58:26,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:58:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 936 states and 1281 transitions. [2023-11-19 03:58:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1281 transitions. [2023-11-19 03:58:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:58:26,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 939 states and 1284 transitions. [2023-11-19 03:58:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1284 transitions. [2023-11-19 03:58:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:58:27,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:27,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 942 states and 1287 transitions. [2023-11-19 03:58:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1287 transitions. [2023-11-19 03:58:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:58:28,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:28,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 945 states and 1290 transitions. [2023-11-19 03:58:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1290 transitions. [2023-11-19 03:58:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:58:29,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:29,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 948 states and 1293 transitions. [2023-11-19 03:58:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1293 transitions. [2023-11-19 03:58:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:58:31,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:31,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 951 states and 1296 transitions. [2023-11-19 03:58:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1296 transitions. [2023-11-19 03:58:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:58:32,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:32,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:33,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 954 states and 1299 transitions. [2023-11-19 03:58:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1299 transitions. [2023-11-19 03:58:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:58:33,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:33,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 957 states and 1302 transitions. [2023-11-19 03:58:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1302 transitions. [2023-11-19 03:58:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:58:34,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 960 states and 1304 transitions. [2023-11-19 03:58:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1304 transitions. [2023-11-19 03:58:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:58:36,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:36,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:37,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 959 states and 1303 transitions. [2023-11-19 03:58:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1303 transitions. [2023-11-19 03:58:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:58:37,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:37,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:38,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 958 states and 1302 transitions. [2023-11-19 03:58:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1302 transitions. [2023-11-19 03:58:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:58:38,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:38,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:38,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 957 states and 1301 transitions. [2023-11-19 03:58:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1301 transitions. [2023-11-19 03:58:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:58:38,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 958 states and 1303 transitions. [2023-11-19 03:58:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1303 transitions. [2023-11-19 03:58:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:58:39,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:39,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 959 states and 1304 transitions. [2023-11-19 03:58:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1304 transitions. [2023-11-19 03:58:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:58:39,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:39,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 960 states and 1305 transitions. [2023-11-19 03:58:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1305 transitions. [2023-11-19 03:58:40,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:58:40,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:40,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 960 states and 1302 transitions. [2023-11-19 03:58:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1302 transitions. [2023-11-19 03:58:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:58:40,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 961 states and 1304 transitions. [2023-11-19 03:58:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1304 transitions. [2023-11-19 03:58:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:58:41,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:58:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 967 states and 1315 transitions. [2023-11-19 03:58:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1315 transitions. [2023-11-19 03:58:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:58:42,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:42,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 969 states and 1319 transitions. [2023-11-19 03:58:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1319 transitions. [2023-11-19 03:58:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:58:43,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:43,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 970 states and 1320 transitions. [2023-11-19 03:58:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1320 transitions. [2023-11-19 03:58:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:58:43,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:43,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:58:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 971 states and 1321 transitions. [2023-11-19 03:58:44,206 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1321 transitions. [2023-11-19 03:58:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:58:44,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:44,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:44,692 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:58:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 970 states and 1320 transitions. [2023-11-19 03:58:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1320 transitions. [2023-11-19 03:58:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:58:45,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:58:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 972 states and 1324 transitions. [2023-11-19 03:58:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1324 transitions. [2023-11-19 03:58:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:58:45,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.