./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-2.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_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/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_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/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_d48b6be4-786c-4293-a861-8a8f09cd58e5/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 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:50,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:50,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:54:50,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:50,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:50,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:50,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:50,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:50,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:50,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:50,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:50,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:50,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:50,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:50,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:50,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:50,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:50,343 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:50,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:50,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:50,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:50,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:50,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:50,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:50,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:50,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:50,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:50,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:50,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:50,351 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:50,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:50,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:50,353 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_d48b6be4-786c-4293-a861-8a8f09cd58e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-21 18:54:50,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:50,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:50,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:50,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:50,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:50,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-21 18:54:54,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:54,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:54,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-21 18:54:54,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/data/c4944c489/9cf09d126b414b1da8cc17fde1eb1b9a/FLAG3bc2d42e0 [2023-11-21 18:54:54,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/data/c4944c489/9cf09d126b414b1da8cc17fde1eb1b9a [2023-11-21 18:54:55,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:55,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:55,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:55,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:55,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:55,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:55" (1/1) ... [2023-11-21 18:54:55,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6fe152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:55, skipping insertion in model container [2023-11-21 18:54:55,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:55" (1/1) ... [2023-11-21 18:54:55,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:57,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:57,605 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:57,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:58,378 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,378 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,379 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,379 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,379 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,379 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,380 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,380 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,380 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,380 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:58,389 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:58,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58 WrapperNode [2023-11-21 18:54:58,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:58,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:58,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:58,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:58,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:58,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:58,787 INFO L138 Inliner]: procedures = 676, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 4449 [2023-11-21 18:54:58,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:58,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:58,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:58,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:58,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:58,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:58,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:58,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:59,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:59,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:59,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:59,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:59,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:59,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:59,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:59,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:59,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:58" (1/1) ... [2023-11-21 18:54:59,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:59,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:59,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:59,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48b6be4-786c-4293-a861-8a8f09cd58e5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-21 18:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-21 18:54:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-21 18:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-21 18:54:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-21 18:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-21 18:54:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-21 18:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-21 18:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-21 18:54:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-21 18:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-21 18:54:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-21 18:54:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-21 18:54:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-21 18:54:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:54:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 18:54:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 18:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-21 18:54:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-21 18:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-21 18:54:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-21 18:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-21 18:54:59,359 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-21 18:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-21 18:54:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-21 18:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-21 18:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-21 18:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-21 18:54:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-21 18:54:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-21 18:54:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-21 18:54:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:54:59,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:54:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:54:59,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:54:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:54:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:54:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-21 18:54:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-21 18:54:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-21 18:54:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-21 18:54:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-21 18:54:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-21 18:54:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-21 18:54:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-21 18:54:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-21 18:54:59,366 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-21 18:54:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-21 18:54:59,366 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-21 18:54:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:54:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:54:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:54:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:54:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-21 18:54:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-21 18:54:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:54:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-21 18:54:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-21 18:54:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:54:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-21 18:54:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-21 18:54:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-21 18:54:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-21 18:54:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-21 18:54:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-21 18:54:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-21 18:54:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-21 18:54:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-21 18:54:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-21 18:54:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-21 18:54:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-21 18:54:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-21 18:54:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:54:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-21 18:54:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-21 18:54:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-21 18:54:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-21 18:54:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-21 18:54:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-21 18:54:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:54:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:54:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:54:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-21 18:54:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-21 18:54:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:00,076 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:00,082 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:05,608 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:08,641 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:08,642 INFO L308 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-21 18:55:08,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:08 BoogieIcfgContainer [2023-11-21 18:55:08,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:08,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:08,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:08,657 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:08,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:08" (1/1) ... [2023-11-21 18:55:08,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 917 states and 1260 transitions. [2023-11-21 18:55:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1260 transitions. [2023-11-21 18:55:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:55:08,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:08,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:09,952 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 18:55:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 919 states and 1263 transitions. [2023-11-21 18:55:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1263 transitions. [2023-11-21 18:55:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:55:10,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:11,369 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 18:55:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 920 states and 1264 transitions. [2023-11-21 18:55:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1264 transitions. [2023-11-21 18:55:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:55:11,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:12,131 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 18:55:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 922 states and 1267 transitions. [2023-11-21 18:55:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1267 transitions. [2023-11-21 18:55:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:55:12,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:12,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:12,746 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 18:55:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 921 states and 1266 transitions. [2023-11-21 18:55:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1266 transitions. [2023-11-21 18:55:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:55:12,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:12,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:13,475 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 18:55:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 922 states and 1267 transitions. [2023-11-21 18:55:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1267 transitions. [2023-11-21 18:55:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:55:13,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:14,164 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 18:55:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 921 states and 1266 transitions. [2023-11-21 18:55:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1266 transitions. [2023-11-21 18:55:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:55:14,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:14,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:14,756 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 18:55:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 920 states and 1265 transitions. [2023-11-21 18:55:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1265 transitions. [2023-11-21 18:55:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:55:14,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:14,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:15,411 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 18:55:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 923 states and 1268 transitions. [2023-11-21 18:55:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1268 transitions. [2023-11-21 18:55:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:55:15,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:15,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:16,405 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 18:55:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 926 states and 1271 transitions. [2023-11-21 18:55:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1271 transitions. [2023-11-21 18:55:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:55:16,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:17,327 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 18:55:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 929 states and 1274 transitions. [2023-11-21 18:55:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1274 transitions. [2023-11-21 18:55:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:55:17,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:17,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:18,383 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 18:55:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 932 states and 1277 transitions. [2023-11-21 18:55:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1277 transitions. [2023-11-21 18:55:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:55:18,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:18,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:19,614 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 18:55:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 935 states and 1280 transitions. [2023-11-21 18:55:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1280 transitions. [2023-11-21 18:55:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:55:19,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:19,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:21,115 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 18:55:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 938 states and 1283 transitions. [2023-11-21 18:55:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-21 18:55:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:55:21,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:21,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:22,523 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 18:55:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 941 states and 1286 transitions. [2023-11-21 18:55:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1286 transitions. [2023-11-21 18:55:22,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:55:22,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:22,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:23,909 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 18:55:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 944 states and 1288 transitions. [2023-11-21 18:55:24,107 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1288 transitions. [2023-11-21 18:55:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:55:24,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:25,164 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 18:55:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 943 states and 1287 transitions. [2023-11-21 18:55:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1287 transitions. [2023-11-21 18:55:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:55:25,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:25,898 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 18:55:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 942 states and 1286 transitions. [2023-11-21 18:55:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1286 transitions. [2023-11-21 18:55:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:55:25,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:26,403 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 18:55:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 941 states and 1285 transitions. [2023-11-21 18:55:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1285 transitions. [2023-11-21 18:55:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:55:26,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:26,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:27,161 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 18:55:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 942 states and 1287 transitions. [2023-11-21 18:55:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1287 transitions. [2023-11-21 18:55:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:55:27,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:27,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:27,756 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 18:55:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 943 states and 1288 transitions. [2023-11-21 18:55:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1288 transitions. [2023-11-21 18:55:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:55:27,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:27,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:28,397 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 18:55:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 944 states and 1289 transitions. [2023-11-21 18:55:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1289 transitions. [2023-11-21 18:55:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:55:28,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:28,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:28,775 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 18:55:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 944 states and 1286 transitions. [2023-11-21 18:55:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1286 transitions. [2023-11-21 18:55:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:55:28,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:28,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:29,385 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 18:55:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 945 states and 1288 transitions. [2023-11-21 18:55:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1288 transitions. [2023-11-21 18:55:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:55:29,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:29,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:30,043 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 18:55:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 951 states and 1299 transitions. [2023-11-21 18:55:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1299 transitions. [2023-11-21 18:55:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:55:30,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:30,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:31,283 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 18:55:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 953 states and 1303 transitions. [2023-11-21 18:55:31,654 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1303 transitions. [2023-11-21 18:55:31,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:55:31,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:31,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:32,158 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 18:55:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 954 states and 1304 transitions. [2023-11-21 18:55:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1304 transitions. [2023-11-21 18:55:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:55:32,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:32,637 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 18:55:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 955 states and 1305 transitions. [2023-11-21 18:55:32,662 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1305 transitions. [2023-11-21 18:55:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:55:32,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:32,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:33,066 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 18:55:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 954 states and 1304 transitions. [2023-11-21 18:55:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1304 transitions. [2023-11-21 18:55:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:55:33,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat