./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 527bcce2 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_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/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_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:39:04,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:04,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:39:04,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:04,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:04,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:04,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:04,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:04,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:04,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:04,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:04,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:04,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:04,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:04,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:04,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:04,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:04,962 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:04,962 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:04,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:04,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:04,964 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:04,965 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:04,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:04,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:04,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:04,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:04,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:04,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:04,969 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:04,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:04,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:04,971 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_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ada5a793906a8c21c0c37214d90767529226ee2d6e9139376b7842d17987b9 [2023-11-21 18:39:05,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:05,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:05,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:05,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:05,338 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:05,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-11-21 18:39:08,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:09,419 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:09,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-11-21 18:39:09,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/data/2cb80737e/aae3b0c7d3b0404cbf1d940381493ce8/FLAG3cd469368 [2023-11-21 18:39:09,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/data/2cb80737e/aae3b0c7d3b0404cbf1d940381493ce8 [2023-11-21 18:39:09,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:09,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:09,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:09,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:09,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:09,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:09" (1/1) ... [2023-11-21 18:39:09,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0a9ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:09, skipping insertion in model container [2023-11-21 18:39:09,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:09" (1/1) ... [2023-11-21 18:39:09,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:12,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:12,349 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:12,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:13,066 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,066 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,066 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,066 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,067 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,067 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,067 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,067 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,068 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,068 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:13,075 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:13,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13 WrapperNode [2023-11-21 18:39:13,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:13,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:13,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:13,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:13,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,340 INFO L138 Inliner]: procedures = 676, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 4457 [2023-11-21 18:39:13,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:13,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:13,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:13,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:13,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:13,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:13,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:13,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:13,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:13" (1/1) ... [2023-11-21 18:39:13,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:13,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:13,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:13,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eedb7fd-1456-42ae-a6e1-10dd08e2b506/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-21 18:39:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-21 18:39:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-21 18:39:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-21 18:39:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-21 18:39:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-21 18:39:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-21 18:39:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-21 18:39:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-21 18:39:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-21 18:39:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:39:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:39:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-21 18:39:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-21 18:39:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-21 18:39:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-21 18:39:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:39:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 18:39:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 18:39:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-21 18:39:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-21 18:39:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-21 18:39:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-21 18:39:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-21 18:39:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-21 18:39:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:39:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:39:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-21 18:39:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-21 18:39:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:39:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-21 18:39:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:39:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:39:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-21 18:39:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-21 18:39:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-21 18:39:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-21 18:39:13,827 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-21 18:39:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:13,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:39:13,827 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:39:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:39:13,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:39:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:39:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:39:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-21 18:39:13,828 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-21 18:39:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-21 18:39:13,828 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-21 18:39:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-21 18:39:13,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-21 18:39:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-21 18:39:13,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-21 18:39:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-21 18:39:13,829 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-21 18:39:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-21 18:39:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-21 18:39:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:39:13,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:39:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:39:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:39:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-21 18:39:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-21 18:39:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:39:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-21 18:39:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-21 18:39:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:39:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-21 18:39:13,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-21 18:39:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-21 18:39:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-21 18:39:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-21 18:39:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-21 18:39:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-21 18:39:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-21 18:39:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-21 18:39:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-21 18:39:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-21 18:39:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-21 18:39:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-21 18:39:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:39:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-21 18:39:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-21 18:39:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-21 18:39:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-21 18:39:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-21 18:39:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-21 18:39:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:39:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:39:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:39:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-21 18:39:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-21 18:39:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:14,520 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:14,523 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:19,523 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:22,432 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:22,433 INFO L308 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-21 18:39:22,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:22 BoogieIcfgContainer [2023-11-21 18:39:22,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:22,436 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:22,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:22,446 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:22,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:22" (1/1) ... [2023-11-21 18:39:22,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 933 states and 1276 transitions. [2023-11-21 18:39:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1276 transitions. [2023-11-21 18:39:22,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:39:22,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 935 states and 1279 transitions. [2023-11-21 18:39:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1279 transitions. [2023-11-21 18:39:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:39:24,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:24,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 936 states and 1280 transitions. [2023-11-21 18:39:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1280 transitions. [2023-11-21 18:39:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:39:25,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:25,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:26,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-11-21 18:39:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-21 18:39:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:39:26,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:26,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:39:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 937 states and 1282 transitions. [2023-11-21 18:39:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1282 transitions. [2023-11-21 18:39:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:39:26,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:26,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-11-21 18:39:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-21 18:39:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:39:27,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:27,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:39:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 937 states and 1282 transitions. [2023-11-21 18:39:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1282 transitions. [2023-11-21 18:39:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:27,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:27,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:39:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:28,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 936 states and 1281 transitions. [2023-11-21 18:39:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1281 transitions. [2023-11-21 18:39:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:39:28,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:28,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:29,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 939 states and 1284 transitions. [2023-11-21 18:39:29,436 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1284 transitions. [2023-11-21 18:39:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:29,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 942 states and 1287 transitions. [2023-11-21 18:39:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1287 transitions. [2023-11-21 18:39:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:30,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:30,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 945 states and 1290 transitions. [2023-11-21 18:39:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1290 transitions. [2023-11-21 18:39:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:39:31,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 948 states and 1293 transitions. [2023-11-21 18:39:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1293 transitions. [2023-11-21 18:39:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:39:32,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:33,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 951 states and 1296 transitions. [2023-11-21 18:39:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1296 transitions. [2023-11-21 18:39:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:39:33,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 954 states and 1299 transitions. [2023-11-21 18:39:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1299 transitions. [2023-11-21 18:39:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:39:35,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:35,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 957 states and 1302 transitions. [2023-11-21 18:39:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1302 transitions. [2023-11-21 18:39:36,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:39:36,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 960 states and 1304 transitions. [2023-11-21 18:39:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1304 transitions. [2023-11-21 18:39:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:39:37,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:39,039 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 959 states and 1303 transitions. [2023-11-21 18:39:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1303 transitions. [2023-11-21 18:39:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:39:39,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 958 states and 1302 transitions. [2023-11-21 18:39:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1302 transitions. [2023-11-21 18:39:39,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:39:39,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:39,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:40,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 957 states and 1301 transitions. [2023-11-21 18:39:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1301 transitions. [2023-11-21 18:39:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:39:40,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:40,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:41,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 958 states and 1303 transitions. [2023-11-21 18:39:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1303 transitions. [2023-11-21 18:39:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:39:41,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:41,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:41,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 959 states and 1304 transitions. [2023-11-21 18:39:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1304 transitions. [2023-11-21 18:39:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:39:41,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 960 states and 1305 transitions. [2023-11-21 18:39:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1305 transitions. [2023-11-21 18:39:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:39:42,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:42,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 960 states and 1302 transitions. [2023-11-21 18:39:42,378 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1302 transitions. [2023-11-21 18:39:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:39:42,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 961 states and 1304 transitions. [2023-11-21 18:39:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1304 transitions. [2023-11-21 18:39:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:39:42,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:39:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 967 states and 1315 transitions. [2023-11-21 18:39:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1315 transitions. [2023-11-21 18:39:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:39:43,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:43,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 969 states and 1319 transitions. [2023-11-21 18:39:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1319 transitions. [2023-11-21 18:39:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:39:44,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:44,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 970 states and 1320 transitions. [2023-11-21 18:39:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1320 transitions. [2023-11-21 18:39:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:39:45,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:39:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 971 states and 1321 transitions. [2023-11-21 18:39:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1321 transitions. [2023-11-21 18:39:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:39:45,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:45,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:39:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 970 states and 1320 transitions. [2023-11-21 18:39:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1320 transitions. [2023-11-21 18:39:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:39:46,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:39:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 972 states and 1324 transitions. [2023-11-21 18:39:46,963 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1324 transitions. [2023-11-21 18:39:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:39:46,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:39:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 974 states and 1326 transitions. [2023-11-21 18:39:47,786 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1326 transitions. [2023-11-21 18:39:47,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:39:47,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat