./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/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_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:34,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:34,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:25:34,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:25:34,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:25:34,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:34,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:34,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:34,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:34,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:34,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:34,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:34,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:25:34,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:34,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:34,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:34,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:34,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:25:34,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:34,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:34,233 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:34,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:34,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:34,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:34,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:34,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:34,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:34,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:34,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:34,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:25:34,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:25:34,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:34,239 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_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-19 03:25:34,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:34,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:34,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:34,618 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:34,619 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:34,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 03:25:37,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:38,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:38,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 03:25:38,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/data/2c00049e2/e55ce8b0215347f8867079c56ac3ea42/FLAGe1a172027 [2023-11-19 03:25:38,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/data/2c00049e2/e55ce8b0215347f8867079c56ac3ea42 [2023-11-19 03:25:38,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:38,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:38,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:38,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:38,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:38,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:38" (1/1) ... [2023-11-19 03:25:38,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55173fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:38, skipping insertion in model container [2023-11-19 03:25:38,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:38" (1/1) ... [2023-11-19 03:25:38,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:41,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:41,244 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:41,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:41,894 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,894 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,894 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,895 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,895 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,895 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,895 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,896 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,896 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,896 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:41,905 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:41,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41 WrapperNode [2023-11-19 03:25:41,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:41,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:41,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:41,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:41,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,228 INFO L138 Inliner]: procedures = 676, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 4449 [2023-11-19 03:25:42,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:42,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:42,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:42,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:42,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:42,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:42,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:42,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:42,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:41" (1/1) ... [2023-11-19 03:25:42,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:42,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:42,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:42,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2799a848-d609-4cda-b6f2-ab31c4cc4fa3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 03:25:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-19 03:25:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-19 03:25:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-19 03:25:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-19 03:25:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-19 03:25:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-19 03:25:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-19 03:25:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-19 03:25:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-19 03:25:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:25:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:25:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:25:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-19 03:25:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-19 03:25:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-19 03:25:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-19 03:25:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:25:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 03:25:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 03:25:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-19 03:25:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-19 03:25:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-19 03:25:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-19 03:25:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-19 03:25:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-19 03:25:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:25:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:25:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-19 03:25:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-19 03:25:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:25:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 03:25:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:25:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:25:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-19 03:25:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-19 03:25:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-19 03:25:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-19 03:25:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-19 03:25:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:25:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:25:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 03:25:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 03:25:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:25:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:25:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-19 03:25:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-19 03:25:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-19 03:25:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-19 03:25:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-19 03:25:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-19 03:25:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-19 03:25:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-19 03:25:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-19 03:25:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-19 03:25:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-19 03:25:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-19 03:25:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:25:42,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:25:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:25:42,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:25:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:25:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-19 03:25:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-19 03:25:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:25:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-19 03:25:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-19 03:25:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:25:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-19 03:25:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-19 03:25:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-19 03:25:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-19 03:25:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-19 03:25:42,624 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-19 03:25:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-19 03:25:42,624 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-19 03:25:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-19 03:25:42,625 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-19 03:25:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-19 03:25:42,625 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-19 03:25:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 03:25:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:25:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-19 03:25:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-19 03:25:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-19 03:25:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-19 03:25:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-19 03:25:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-19 03:25:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 03:25:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 03:25:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 03:25:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-19 03:25:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-19 03:25:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:25:43,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:43,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:48,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:50,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:50,590 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 03:25:50,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:50 BoogieIcfgContainer [2023-11-19 03:25:50,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:50,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:50,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:50,614 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:50,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:50" (1/1) ... [2023-11-19 03:25:50,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 917 states and 1260 transitions. [2023-11-19 03:25:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1260 transitions. [2023-11-19 03:25:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:25:50,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:50,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 919 states and 1263 transitions. [2023-11-19 03:25:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1263 transitions. [2023-11-19 03:25:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:25:52,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:52,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 920 states and 1264 transitions. [2023-11-19 03:25:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1264 transitions. [2023-11-19 03:25:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:25:53,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:53,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 922 states and 1267 transitions. [2023-11-19 03:25:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1267 transitions. [2023-11-19 03:25:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:25:54,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:25:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 921 states and 1266 transitions. [2023-11-19 03:25:54,600 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1266 transitions. [2023-11-19 03:25:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:25:54,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:54,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:55,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 922 states and 1267 transitions. [2023-11-19 03:25:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1267 transitions. [2023-11-19 03:25:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:25:55,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:55,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:25:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 921 states and 1266 transitions. [2023-11-19 03:25:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1266 transitions. [2023-11-19 03:25:56,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:25:56,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:25:56,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 920 states and 1265 transitions. [2023-11-19 03:25:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1265 transitions. [2023-11-19 03:25:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:25:56,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:56,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 923 states and 1268 transitions. [2023-11-19 03:25:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1268 transitions. [2023-11-19 03:25:57,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:25:57,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:57,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 926 states and 1271 transitions. [2023-11-19 03:25:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1271 transitions. [2023-11-19 03:25:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:25:58,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 929 states and 1274 transitions. [2023-11-19 03:25:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1274 transitions. [2023-11-19 03:25:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:25:59,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:59,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:59,918 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:00,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 932 states and 1277 transitions. [2023-11-19 03:26:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1277 transitions. [2023-11-19 03:26:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:26:00,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:00,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 935 states and 1280 transitions. [2023-11-19 03:26:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1280 transitions. [2023-11-19 03:26:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:26:01,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:01,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 938 states and 1283 transitions. [2023-11-19 03:26:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-19 03:26:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:26:02,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:02,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:03,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:03,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 941 states and 1286 transitions. [2023-11-19 03:26:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1286 transitions. [2023-11-19 03:26:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:26:03,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:03,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 944 states and 1288 transitions. [2023-11-19 03:26:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1288 transitions. [2023-11-19 03:26:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:26:04,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:04,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 943 states and 1287 transitions. [2023-11-19 03:26:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1287 transitions. [2023-11-19 03:26:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:26:06,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 942 states and 1286 transitions. [2023-11-19 03:26:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1286 transitions. [2023-11-19 03:26:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:26:06,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:06,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 941 states and 1285 transitions. [2023-11-19 03:26:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1285 transitions. [2023-11-19 03:26:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:26:07,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:07,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:07,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 942 states and 1287 transitions. [2023-11-19 03:26:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1287 transitions. [2023-11-19 03:26:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:26:07,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:07,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 943 states and 1288 transitions. [2023-11-19 03:26:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1288 transitions. [2023-11-19 03:26:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:26:08,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 944 states and 1289 transitions. [2023-11-19 03:26:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1289 transitions. [2023-11-19 03:26:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:26:08,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 944 states and 1286 transitions. [2023-11-19 03:26:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1286 transitions. [2023-11-19 03:26:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:26:09,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:09,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:09,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 945 states and 1288 transitions. [2023-11-19 03:26:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1288 transitions. [2023-11-19 03:26:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:26:09,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:09,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:26:10,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 951 states and 1299 transitions. [2023-11-19 03:26:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1299 transitions. [2023-11-19 03:26:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:26:10,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:10,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 953 states and 1303 transitions. [2023-11-19 03:26:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1303 transitions. [2023-11-19 03:26:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:26:11,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:11,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 954 states and 1304 transitions. [2023-11-19 03:26:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1304 transitions. [2023-11-19 03:26:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:26:12,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:26:12,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:12,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 955 states and 1305 transitions. [2023-11-19 03:26:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1305 transitions. [2023-11-19 03:26:12,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:26:12,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:12,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:26:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 954 states and 1304 transitions. [2023-11-19 03:26:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1304 transitions. [2023-11-19 03:26:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:26:13,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:13,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 956 states and 1308 transitions. [2023-11-19 03:26:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1308 transitions. [2023-11-19 03:26:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:26:13,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:13,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-19 03:26:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 958 states and 1310 transitions. [2023-11-19 03:26:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1310 transitions. [2023-11-19 03:26:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:26:14,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:14,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:26:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 959 states and 1313 transitions. [2023-11-19 03:26:16,157 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1313 transitions. [2023-11-19 03:26:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:26:16,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:16,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:26:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 962 states and 1317 transitions. [2023-11-19 03:26:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1317 transitions. [2023-11-19 03:26:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:26:17,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:17,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.