./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/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_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/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_3a088ce2-80f8-4e95-acd9-4ec39350e895/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 e0ada5a793906a8c21c0c37214d90767529226ee2d6e9139376b7842d17987b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:23,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:23,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:27:23,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:23,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:23,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:23,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:23,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:23,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:23,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:23,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:23,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:23,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:23,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:23,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:23,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:23,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:23,207 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:23,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:23,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:23,208 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:23,209 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:23,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:23,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:23,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:23,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:23,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:23,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:23,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:23,221 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:23,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:23,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:23,223 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_3a088ce2-80f8-4e95-acd9-4ec39350e895/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ada5a793906a8c21c0c37214d90767529226ee2d6e9139376b7842d17987b9 [2023-11-23 20:27:23,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:23,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:23,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:23,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:23,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:23,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-11-23 20:27:26,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:27,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:27,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-11-23 20:27:27,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/data/a9a64a0a0/374698a4c1a14733beaab7a804dbecbb/FLAGe570a8c51 [2023-11-23 20:27:27,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/data/a9a64a0a0/374698a4c1a14733beaab7a804dbecbb [2023-11-23 20:27:27,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:27,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:27,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:27,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:27,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:27,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:27" (1/1) ... [2023-11-23 20:27:27,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ad210e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:27, skipping insertion in model container [2023-11-23 20:27:27,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:27" (1/1) ... [2023-11-23 20:27:27,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:29,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:30,058 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:30,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:30,658 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,658 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,658 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,659 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,659 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,659 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,659 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,660 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,660 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,660 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:30,669 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:30,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30 WrapperNode [2023-11-23 20:27:30,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:30,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:30,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:30,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:30,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:30,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,008 INFO L138 Inliner]: procedures = 676, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 4457 [2023-11-23 20:27:31,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:31,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:31,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:31,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:31,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:31,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:31,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:31,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:31,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:30" (1/1) ... [2023-11-23 20:27:31,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:31,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:31,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:31,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a088ce2-80f8-4e95-acd9-4ec39350e895/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-23 20:27:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-23 20:27:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-23 20:27:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-23 20:27:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-23 20:27:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-23 20:27:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-23 20:27:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-23 20:27:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-23 20:27:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-23 20:27:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:27:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:27:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-23 20:27:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-23 20:27:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-23 20:27:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-23 20:27:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:27:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-23 20:27:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-23 20:27:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-23 20:27:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-23 20:27:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-23 20:27:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-23 20:27:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-23 20:27:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-23 20:27:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:27:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:27:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-23 20:27:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-23 20:27:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:27:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-23 20:27:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:27:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:27:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-23 20:27:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-23 20:27:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-23 20:27:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-23 20:27:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-23 20:27:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:27:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:27:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:27:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:27:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:27:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:27:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-23 20:27:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-23 20:27:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-23 20:27:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-23 20:27:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-23 20:27:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-23 20:27:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-23 20:27:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-23 20:27:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-23 20:27:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-23 20:27:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-23 20:27:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-23 20:27:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:27:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:27:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:27:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:27:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-23 20:27:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-23 20:27:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:27:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-23 20:27:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-23 20:27:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:27:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-23 20:27:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-23 20:27:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-23 20:27:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-23 20:27:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-23 20:27:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-23 20:27:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-23 20:27:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-23 20:27:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-23 20:27:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-23 20:27:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-23 20:27:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-23 20:27:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-23 20:27:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:27:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-23 20:27:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-23 20:27:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-23 20:27:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-23 20:27:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-23 20:27:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-23 20:27:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:27:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:27:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:27:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-23 20:27:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-23 20:27:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:32,300 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:32,303 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:37,289 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:39,670 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:39,670 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-23 20:27:39,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:39 BoogieIcfgContainer [2023-11-23 20:27:39,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:39,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:39,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:39,696 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:39,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:39" (1/1) ... [2023-11-23 20:27:39,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 933 states and 1276 transitions. [2023-11-23 20:27:39,837 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1276 transitions. [2023-11-23 20:27:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:27:39,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,002 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 20:27:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 935 states and 1279 transitions. [2023-11-23 20:27:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1279 transitions. [2023-11-23 20:27:41,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:27:41,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,215 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 20:27:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 936 states and 1280 transitions. [2023-11-23 20:27:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1280 transitions. [2023-11-23 20:27:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:27:42,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:42,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,957 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 20:27:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-11-23 20:27:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-23 20:27:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:43,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,527 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 20:27:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 937 states and 1282 transitions. [2023-11-23 20:27:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1282 transitions. [2023-11-23 20:27:43,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:43,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,198 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 20:27:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-11-23 20:27:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-11-23 20:27:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:44,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,774 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 20:27:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 937 states and 1282 transitions. [2023-11-23 20:27:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1282 transitions. [2023-11-23 20:27:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:27:44,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:45,385 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 20:27:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 936 states and 1281 transitions. [2023-11-23 20:27:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1281 transitions. [2023-11-23 20:27:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:45,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:45,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,042 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 20:27:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 939 states and 1284 transitions. [2023-11-23 20:27:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1284 transitions. [2023-11-23 20:27:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:27:46,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,883 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 20:27:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 942 states and 1287 transitions. [2023-11-23 20:27:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1287 transitions. [2023-11-23 20:27:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:47,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,727 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 20:27:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 945 states and 1290 transitions. [2023-11-23 20:27:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1290 transitions. [2023-11-23 20:27:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:47,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:48,643 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 20:27:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 948 states and 1293 transitions. [2023-11-23 20:27:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1293 transitions. [2023-11-23 20:27:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:48,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,850 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 20:27:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 951 states and 1296 transitions. [2023-11-23 20:27:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1296 transitions. [2023-11-23 20:27:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:27:50,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,241 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 20:27:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 954 states and 1299 transitions. [2023-11-23 20:27:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1299 transitions. [2023-11-23 20:27:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:51,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,455 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 20:27:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 957 states and 1302 transitions. [2023-11-23 20:27:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1302 transitions. [2023-11-23 20:27:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:27:52,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:53,598 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 20:27:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 960 states and 1304 transitions. [2023-11-23 20:27:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1304 transitions. [2023-11-23 20:27:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:27:53,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:54,866 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 20:27:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 959 states and 1303 transitions. [2023-11-23 20:27:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1303 transitions. [2023-11-23 20:27:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:27:55,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:55,577 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 20:27:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 958 states and 1302 transitions. [2023-11-23 20:27:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1302 transitions. [2023-11-23 20:27:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:27:55,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:56,001 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 20:27:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 957 states and 1301 transitions. [2023-11-23 20:27:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1301 transitions. [2023-11-23 20:27:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:27:56,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:56,666 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 20:27:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 958 states and 1303 transitions. [2023-11-23 20:27:56,746 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1303 transitions. [2023-11-23 20:27:56,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:27:56,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:56,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:57,236 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 20:27:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 959 states and 1304 transitions. [2023-11-23 20:27:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1304 transitions. [2023-11-23 20:27:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:57,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:57,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:57,708 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 20:27:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 960 states and 1305 transitions. [2023-11-23 20:27:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1305 transitions. [2023-11-23 20:27:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:57,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:57,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:58,009 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 20:27:58,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 960 states and 1302 transitions. [2023-11-23 20:27:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1302 transitions. [2023-11-23 20:27:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:58,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:58,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:58,501 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 20:27:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 961 states and 1304 transitions. [2023-11-23 20:27:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1304 transitions. [2023-11-23 20:27:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:27:58,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:59,140 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 20:27:59,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 967 states and 1315 transitions. [2023-11-23 20:27:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1315 transitions. [2023-11-23 20:27:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:27:59,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:00,238 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 20:28:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 969 states and 1319 transitions. [2023-11-23 20:28:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1319 transitions. [2023-11-23 20:28:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:28:00,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:00,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,155 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 20:28:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 970 states and 1320 transitions. [2023-11-23 20:28:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1320 transitions. [2023-11-23 20:28:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:28:01,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,702 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 20:28:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 971 states and 1321 transitions. [2023-11-23 20:28:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1321 transitions. [2023-11-23 20:28:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:28:01,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:02,243 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 20:28:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 970 states and 1320 transitions. [2023-11-23 20:28:02,563 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1320 transitions. [2023-11-23 20:28:02,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:28:02,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:02,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,093 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 20:28:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 972 states and 1324 transitions. [2023-11-23 20:28:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1324 transitions. [2023-11-23 20:28:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:28:03,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,600 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 20:28:04,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 974 states and 1326 transitions. [2023-11-23 20:28:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1326 transitions. [2023-11-23 20:28:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:28:04,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:04,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:04,623 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 20:28:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 975 states and 1329 transitions. [2023-11-23 20:28:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1329 transitions. [2023-11-23 20:28:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:28:05,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:05,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:05,961 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 20:28:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 978 states and 1333 transitions. [2023-11-23 20:28:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1333 transitions. [2023-11-23 20:28:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:28:06,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:06,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:06,564 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 20:28:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 979 states and 1333 transitions. [2023-11-23 20:28:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1333 transitions. [2023-11-23 20:28:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:28:06,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:06,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat