./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/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_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:27:17,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:18,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:27:18,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:18,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:18,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:18,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:18,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:18,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:18,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:18,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:18,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:18,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:18,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:18,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:18,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:18,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:18,070 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:18,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:18,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:18,075 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:18,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:18,080 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:18,080 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:18,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:18,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:18,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:18,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:18,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:18,083 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:18,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:18,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:18,084 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_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-23 20:27:18,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:18,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:18,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:18,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:18,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:18,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-23 20:27:21,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:22,270 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:22,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-23 20:27:22,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/data/acda927e1/f281b09d508d4b92863e2a2ff90a584c/FLAG6ff07b7c4 [2023-11-23 20:27:22,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/data/acda927e1/f281b09d508d4b92863e2a2ff90a584c [2023-11-23 20:27:22,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:22,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:22,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:22,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:22,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:22,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:22" (1/1) ... [2023-11-23 20:27:22,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd78a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:22, skipping insertion in model container [2023-11-23 20:27:22,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:22" (1/1) ... [2023-11-23 20:27:22,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:24,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:24,881 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:25,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:25,509 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,509 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,509 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,510 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,510 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,510 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,510 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,511 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,511 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,511 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:25,519 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:25,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25 WrapperNode [2023-11-23 20:27:25,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:25,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:25,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:25,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:25,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:25,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:25,910 INFO L138 Inliner]: procedures = 676, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 4449 [2023-11-23 20:27:25,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:25,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:25,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:25,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:25,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:25,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:25,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:25,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:26,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:26,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:26,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:26,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:26,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:26,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:26,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:26,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:26,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:25" (1/1) ... [2023-11-23 20:27:26,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:26,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:26,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:26,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2496dc-82ca-4051-87a8-a1b764e49c13/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-23 20:27:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-23 20:27:26,334 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-23 20:27:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-23 20:27:26,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-23 20:27:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-23 20:27:26,335 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-23 20:27:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-23 20:27:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-23 20:27:26,335 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-23 20:27:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:27:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:27:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-23 20:27:26,336 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-23 20:27:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-23 20:27:26,336 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-23 20:27:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:27:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-23 20:27:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-23 20:27:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-23 20:27:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-23 20:27:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-23 20:27:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-23 20:27:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-23 20:27:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-23 20:27:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:27:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:27:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-23 20:27:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-23 20:27:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:27:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-23 20:27:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:27:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:27:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-23 20:27:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-23 20:27:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-23 20:27:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-23 20:27:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-23 20:27:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:27:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:27:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:27:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:27:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:27:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:27:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-23 20:27:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-23 20:27:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-23 20:27:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-23 20:27:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-23 20:27:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-23 20:27:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-23 20:27:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-23 20:27:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-23 20:27:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-23 20:27:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-23 20:27:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-23 20:27:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:27:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:27:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:27:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:27:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-23 20:27:26,344 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-23 20:27:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:27:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-23 20:27:26,344 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-23 20:27:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:27:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-23 20:27:26,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-23 20:27:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-23 20:27:26,345 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-23 20:27:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-23 20:27:26,345 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-23 20:27:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-23 20:27:26,346 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-23 20:27:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-23 20:27:26,346 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-23 20:27:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-23 20:27:26,346 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-23 20:27:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-23 20:27:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:27:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-23 20:27:26,347 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-23 20:27:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-23 20:27:26,347 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-23 20:27:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-23 20:27:26,347 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-23 20:27:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:27:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:27:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:27:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-23 20:27:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-23 20:27:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:27,010 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:27,013 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:31,674 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:34,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:34,330 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-23 20:27:34,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:34 BoogieIcfgContainer [2023-11-23 20:27:34,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:34,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:34,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:34,346 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:34,347 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 917 states and 1260 transitions. [2023-11-23 20:27:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1260 transitions. [2023-11-23 20:27:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:27:34,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:34,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 919 states and 1263 transitions. [2023-11-23 20:27:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1263 transitions. [2023-11-23 20:27:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:27:36,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:36,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 920 states and 1264 transitions. [2023-11-23 20:27:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1264 transitions. [2023-11-23 20:27:36,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:27:36,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:36,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 922 states and 1267 transitions. [2023-11-23 20:27:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1267 transitions. [2023-11-23 20:27:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:37,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 921 states and 1266 transitions. [2023-11-23 20:27:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1266 transitions. [2023-11-23 20:27:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:38,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 922 states and 1267 transitions. [2023-11-23 20:27:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1267 transitions. [2023-11-23 20:27:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:38,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:38,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 921 states and 1266 transitions. [2023-11-23 20:27:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1266 transitions. [2023-11-23 20:27:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:27:39,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:27:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 920 states and 1265 transitions. [2023-11-23 20:27:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1265 transitions. [2023-11-23 20:27:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:40,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 923 states and 1268 transitions. [2023-11-23 20:27:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1268 transitions. [2023-11-23 20:27:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:27:40,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 926 states and 1271 transitions. [2023-11-23 20:27:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1271 transitions. [2023-11-23 20:27:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:41,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 929 states and 1274 transitions. [2023-11-23 20:27:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1274 transitions. [2023-11-23 20:27:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:42,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:42,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 932 states and 1277 transitions. [2023-11-23 20:27:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1277 transitions. [2023-11-23 20:27:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:43,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 935 states and 1280 transitions. [2023-11-23 20:27:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1280 transitions. [2023-11-23 20:27:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:27:44,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 938 states and 1283 transitions. [2023-11-23 20:27:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-23 20:27:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:45,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:45,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 941 states and 1286 transitions. [2023-11-23 20:27:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1286 transitions. [2023-11-23 20:27:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:27:46,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:46,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 944 states and 1288 transitions. [2023-11-23 20:27:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1288 transitions. [2023-11-23 20:27:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:27:48,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:48,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 943 states and 1287 transitions. [2023-11-23 20:27:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1287 transitions. [2023-11-23 20:27:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:27:49,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:49,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 942 states and 1286 transitions. [2023-11-23 20:27:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1286 transitions. [2023-11-23 20:27:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:27:49,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:49,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 941 states and 1285 transitions. [2023-11-23 20:27:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1285 transitions. [2023-11-23 20:27:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:27:50,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 942 states and 1287 transitions. [2023-11-23 20:27:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1287 transitions. [2023-11-23 20:27:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:27:51,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 943 states and 1288 transitions. [2023-11-23 20:27:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1288 transitions. [2023-11-23 20:27:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:51,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 944 states and 1289 transitions. [2023-11-23 20:27:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1289 transitions. [2023-11-23 20:27:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:51,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 944 states and 1286 transitions. [2023-11-23 20:27:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1286 transitions. [2023-11-23 20:27:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:52,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 945 states and 1288 transitions. [2023-11-23 20:27:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1288 transitions. [2023-11-23 20:27:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:27:52,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:27:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 951 states and 1299 transitions. [2023-11-23 20:27:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1299 transitions. [2023-11-23 20:27:53,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:27:53,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:53,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 953 states and 1303 transitions. [2023-11-23 20:27:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1303 transitions. [2023-11-23 20:27:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:27:54,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:54,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:55,033 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 954 states and 1304 transitions. [2023-11-23 20:27:55,058 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1304 transitions. [2023-11-23 20:27:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:27:55,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:27:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 955 states and 1305 transitions. [2023-11-23 20:27:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1305 transitions. [2023-11-23 20:27:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:27:55,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:27:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 954 states and 1304 transitions. [2023-11-23 20:27:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1304 transitions. [2023-11-23 20:27:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:27:56,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:56,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 956 states and 1308 transitions. [2023-11-23 20:27:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1308 transitions. [2023-11-23 20:27:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:57,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:57,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:27:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 957 states and 1310 transitions. [2023-11-23 20:27:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1310 transitions. [2023-11-23 20:27:58,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:58,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:58,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 20:27:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 959 states and 1313 transitions. [2023-11-23 20:27:59,133 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1313 transitions. [2023-11-23 20:27:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:59,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:59,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:27:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 962 states and 1317 transitions. [2023-11-23 20:27:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1317 transitions. [2023-11-23 20:27:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:27:59,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:59,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 20:28:00,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 963 states and 1317 transitions. [2023-11-23 20:28:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1317 transitions. [2023-11-23 20:28:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:28:00,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:28:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 964 states and 1318 transitions. [2023-11-23 20:28:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1318 transitions. [2023-11-23 20:28:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:28:01,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.