./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 0e0057cc 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_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/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_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 01:03:40,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:03:40,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:03:40,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:03:40,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:03:40,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:03:40,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:03:40,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:03:40,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:03:40,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:03:40,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:03:40,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:03:40,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:03:40,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:03:40,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:03:40,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:03:40,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:03:40,747 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:03:40,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:03:40,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:03:40,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:03:40,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:03:40,750 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:03:40,750 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:03:40,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:03:40,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:40,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:03:40,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:03:40,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:03:40,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:03:40,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:03:40,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:03:40,754 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_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ada5a793906a8c21c0c37214d90767529226ee2d6e9139376b7842d17987b9 [2023-12-03 01:03:40,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:03:40,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:03:40,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:03:40,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:03:40,989 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:03:40,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-12-03 01:03:43,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:03:44,171 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:03:44,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-12-03 01:03:44,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data/25abc2d85/e9e03af5f7ed4bb4ba2cb57e1ec2a6e6/FLAGcdb10d6a5 [2023-12-03 01:03:44,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data/25abc2d85/e9e03af5f7ed4bb4ba2cb57e1ec2a6e6 [2023-12-03 01:03:44,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:03:44,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:03:44,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:44,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:03:44,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:03:44,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:44" (1/1) ... [2023-12-03 01:03:44,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aea10be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:44, skipping insertion in model container [2023-12-03 01:03:44,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:44" (1/1) ... [2023-12-03 01:03:44,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:45,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:45,956 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:03:46,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:46,414 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,414 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,414 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,414 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,415 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,415 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,415 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,415 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,415 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,416 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:46,424 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:03:46,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46 WrapperNode [2023-12-03 01:03:46,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:46,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:46,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:03:46,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:03:46,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,686 INFO L138 Inliner]: procedures = 676, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 4481 [2023-12-03 01:03:46,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:46,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:03:46,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:03:46,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:03:46,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:03:46,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:03:46,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:03:46,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:03:46,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:46" (1/1) ... [2023-12-03 01:03:46,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:46,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:03:46,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:03:46,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:03:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-12-03 01:03:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-12-03 01:03:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-12-03 01:03:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-12-03 01:03:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-12-03 01:03:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-12-03 01:03:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-12-03 01:03:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-12-03 01:03:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-12-03 01:03:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-12-03 01:03:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:03:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-12-03 01:03:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:03:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-12-03 01:03:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-12-03 01:03:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-12-03 01:03:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-12-03 01:03:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-03 01:03:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-12-03 01:03:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-12-03 01:03:46,956 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-12-03 01:03:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-12-03 01:03:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-12-03 01:03:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-12-03 01:03:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-12-03 01:03:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-12-03 01:03:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 01:03:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:03:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-12-03 01:03:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-12-03 01:03:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:03:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-12-03 01:03:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 01:03:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:03:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:03:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-12-03 01:03:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-12-03 01:03:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-12-03 01:03:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-12-03 01:03:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-12-03 01:03:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:03:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:03:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 01:03:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 01:03:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 01:03:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 01:03:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 01:03:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 01:03:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-12-03 01:03:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-12-03 01:03:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-12-03 01:03:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-12-03 01:03:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-12-03 01:03:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-12-03 01:03:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-12-03 01:03:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-12-03 01:03:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-12-03 01:03:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-12-03 01:03:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-12-03 01:03:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-12-03 01:03:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:03:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:03:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:03:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:03:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:03:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-12-03 01:03:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-12-03 01:03:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:03:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-12-03 01:03:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-12-03 01:03:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 01:03:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-12-03 01:03:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-12-03 01:03:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-12-03 01:03:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-12-03 01:03:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-12-03 01:03:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-12-03 01:03:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-12-03 01:03:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-12-03 01:03:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-12-03 01:03:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-12-03 01:03:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-12-03 01:03:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-12-03 01:03:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-12-03 01:03:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:03:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-12-03 01:03:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-12-03 01:03:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-12-03 01:03:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-12-03 01:03:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-12-03 01:03:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-12-03 01:03:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-12-03 01:03:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-12-03 01:03:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-12-03 01:03:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-12-03 01:03:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-12-03 01:03:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:03:47,518 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:03:47,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:03:50,997 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:03:52,940 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:03:52,941 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-03 01:03:52,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:52 BoogieIcfgContainer [2023-12-03 01:03:52,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:03:52,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:03:52,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:03:52,954 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:03:52,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:52" (1/1) ... [2023-12-03 01:03:52,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:03:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 934 states and 1277 transitions. [2023-12-03 01:03:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1277 transitions. [2023-12-03 01:03:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:03:53,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 936 states and 1280 transitions. [2023-12-03 01:03:54,673 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1280 transitions. [2023-12-03 01:03:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:03:54,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:54,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:55,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 937 states and 1281 transitions. [2023-12-03 01:03:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1281 transitions. [2023-12-03 01:03:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:03:55,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:55,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 939 states and 1284 transitions. [2023-12-03 01:03:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1284 transitions. [2023-12-03 01:03:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:03:55,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:55,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:03:56,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:56,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-12-03 01:03:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-12-03 01:03:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:03:56,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:56,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 939 states and 1284 transitions. [2023-12-03 01:03:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1284 transitions. [2023-12-03 01:03:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:03:56,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:56,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:03:57,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 938 states and 1283 transitions. [2023-12-03 01:03:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1283 transitions. [2023-12-03 01:03:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:03:57,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:57,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:03:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 937 states and 1282 transitions. [2023-12-03 01:03:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1282 transitions. [2023-12-03 01:03:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:03:57,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:57,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 940 states and 1285 transitions. [2023-12-03 01:03:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1285 transitions. [2023-12-03 01:03:58,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:03:58,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:58,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 943 states and 1288 transitions. [2023-12-03 01:03:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1288 transitions. [2023-12-03 01:03:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:03:59,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:59,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:03:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 946 states and 1291 transitions. [2023-12-03 01:03:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1291 transitions. [2023-12-03 01:03:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:03:59,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:59,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 949 states and 1294 transitions. [2023-12-03 01:04:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1294 transitions. [2023-12-03 01:04:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:04:00,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:00,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:01,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 952 states and 1297 transitions. [2023-12-03 01:04:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1297 transitions. [2023-12-03 01:04:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:04:01,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:01,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:01,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 955 states and 1300 transitions. [2023-12-03 01:04:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1300 transitions. [2023-12-03 01:04:01,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:04:01,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:01,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 958 states and 1303 transitions. [2023-12-03 01:04:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1303 transitions. [2023-12-03 01:04:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:04:02,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:02,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 961 states and 1305 transitions. [2023-12-03 01:04:02,926 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1305 transitions. [2023-12-03 01:04:02,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:04:02,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:02,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 960 states and 1304 transitions. [2023-12-03 01:04:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1304 transitions. [2023-12-03 01:04:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:04:03,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:04,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 959 states and 1303 transitions. [2023-12-03 01:04:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1303 transitions. [2023-12-03 01:04:04,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:04:04,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:04,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:04,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 958 states and 1302 transitions. [2023-12-03 01:04:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1302 transitions. [2023-12-03 01:04:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:04:04,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 959 states and 1304 transitions. [2023-12-03 01:04:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1304 transitions. [2023-12-03 01:04:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:04:05,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:05,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 960 states and 1305 transitions. [2023-12-03 01:04:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1305 transitions. [2023-12-03 01:04:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:04:05,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 960 states and 1302 transitions. [2023-12-03 01:04:05,627 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1302 transitions. [2023-12-03 01:04:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:04:05,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:05,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 961 states and 1303 transitions. [2023-12-03 01:04:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1303 transitions. [2023-12-03 01:04:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:04:05,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:05,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:06,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 962 states and 1305 transitions. [2023-12-03 01:04:06,424 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1305 transitions. [2023-12-03 01:04:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:04:06,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:06,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 963 states and 1306 transitions. [2023-12-03 01:04:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1306 transitions. [2023-12-03 01:04:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:04:06,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:06,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 01:04:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 969 states and 1317 transitions. [2023-12-03 01:04:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1317 transitions. [2023-12-03 01:04:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:04:07,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:07,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 971 states and 1321 transitions. [2023-12-03 01:04:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1321 transitions. [2023-12-03 01:04:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:04:08,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 01:04:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 972 states and 1322 transitions. [2023-12-03 01:04:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1322 transitions. [2023-12-03 01:04:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:04:08,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:08,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 01:04:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:09,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 971 states and 1321 transitions. [2023-12-03 01:04:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1321 transitions. [2023-12-03 01:04:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:04:09,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:09,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 973 states and 1325 transitions. [2023-12-03 01:04:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1325 transitions. [2023-12-03 01:04:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:04:09,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:09,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:10,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 976 states and 1329 transitions. [2023-12-03 01:04:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1329 transitions. [2023-12-03 01:04:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:04:10,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:10,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 01:04:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 978 states and 1331 transitions. [2023-12-03 01:04:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1331 transitions. [2023-12-03 01:04:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:04:10,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:10,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:04:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 979 states and 1334 transitions. [2023-12-03 01:04:11,662 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1334 transitions. [2023-12-03 01:04:11,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:04:11,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:11,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-03 01:04:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 980 states and 1334 transitions. [2023-12-03 01:04:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1334 transitions. [2023-12-03 01:04:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:04:12,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:04:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 981 states and 1335 transitions. [2023-12-03 01:04:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1335 transitions. [2023-12-03 01:04:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:04:12,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 985 states and 1341 transitions. [2023-12-03 01:04:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1341 transitions. [2023-12-03 01:04:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:04:13,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:13,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 01:04:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 986 states and 1343 transitions. [2023-12-03 01:04:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1343 transitions. [2023-12-03 01:04:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:04:13,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:13,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-12-03 01:04:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 987 states and 1343 transitions. [2023-12-03 01:04:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1343 transitions. [2023-12-03 01:04:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:04:14,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:14,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 988 states and 1344 transitions. [2023-12-03 01:04:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1344 transitions. [2023-12-03 01:04:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:04:14,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:19,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1041 states and 1423 transitions. [2023-12-03 01:04:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1423 transitions. [2023-12-03 01:04:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:04:19,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:19,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 01:04:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1050 states and 1440 transitions. [2023-12-03 01:04:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1440 transitions. [2023-12-03 01:04:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:04:21,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-12-03 01:04:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1051 states and 1441 transitions. [2023-12-03 01:04:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1441 transitions. [2023-12-03 01:04:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:04:22,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:22,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:23,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1053 states and 1444 transitions. [2023-12-03 01:04:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1444 transitions. [2023-12-03 01:04:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:04:23,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:23,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1056 states and 1450 transitions. [2023-12-03 01:04:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1450 transitions. [2023-12-03 01:04:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:04:23,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-03 01:04:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1066 states and 1467 transitions. [2023-12-03 01:04:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1467 transitions. [2023-12-03 01:04:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:04:25,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:25,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:26,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1067 states and 1468 transitions. [2023-12-03 01:04:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1468 transitions. [2023-12-03 01:04:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:04:26,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:26,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1071 states and 1475 transitions. [2023-12-03 01:04:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1475 transitions. [2023-12-03 01:04:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:04:26,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:26,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1072 states and 1476 transitions. [2023-12-03 01:04:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1476 transitions. [2023-12-03 01:04:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:04:27,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:27,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1077 states and 1483 transitions. [2023-12-03 01:04:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1483 transitions. [2023-12-03 01:04:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:04:28,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-12-03 01:04:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1074 states and 1476 transitions. [2023-12-03 01:04:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1476 transitions. [2023-12-03 01:04:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:04:28,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:28,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 01:04:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1076 states and 1477 transitions. [2023-12-03 01:04:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1477 transitions. [2023-12-03 01:04:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:04:29,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:29,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-12-03 01:04:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1076 states and 1476 transitions. [2023-12-03 01:04:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1476 transitions. [2023-12-03 01:04:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:04:29,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:29,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1077 states and 1477 transitions. [2023-12-03 01:04:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1477 transitions. [2023-12-03 01:04:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:04:30,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:30,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 01:04:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:30,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1079 states and 1478 transitions. [2023-12-03 01:04:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1478 transitions. [2023-12-03 01:04:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:04:30,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:30,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1082 states and 1484 transitions. [2023-12-03 01:04:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1484 transitions. [2023-12-03 01:04:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:04:31,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:31,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:04:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1083 states and 1485 transitions. [2023-12-03 01:04:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1485 transitions. [2023-12-03 01:04:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:04:32,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:32,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1082 states and 1484 transitions. [2023-12-03 01:04:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1484 transitions. [2023-12-03 01:04:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:04:33,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1084 states and 1488 transitions. [2023-12-03 01:04:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1488 transitions. [2023-12-03 01:04:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:04:34,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:34,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1085 states and 1490 transitions. [2023-12-03 01:04:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1490 transitions. [2023-12-03 01:04:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:04:34,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:34,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:36,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1089 states and 1496 transitions. [2023-12-03 01:04:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1496 transitions. [2023-12-03 01:04:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:04:36,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:36,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:04:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1051 states and 1452 transitions. [2023-12-03 01:04:37,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1452 transitions. [2023-12-03 01:04:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:04:37,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1052 states and 1454 transitions. [2023-12-03 01:04:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1454 transitions. [2023-12-03 01:04:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:04:39,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:39,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 01:04:42,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1060 states and 1466 transitions. [2023-12-03 01:04:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1466 transitions. [2023-12-03 01:04:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 01:04:42,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:42,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-03 01:04:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1089 states and 1519 transitions. [2023-12-03 01:04:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1519 transitions. [2023-12-03 01:04:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:04:50,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:50,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 01:04:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1080 states and 1505 transitions. [2023-12-03 01:04:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1505 transitions. [2023-12-03 01:04:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:04:51,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 01:04:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:52,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1082 states and 1506 transitions. [2023-12-03 01:04:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1506 transitions. [2023-12-03 01:04:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:04:52,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:52,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 01:04:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1084 states and 1507 transitions. [2023-12-03 01:04:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1507 transitions. [2023-12-03 01:04:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:04:53,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:53,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-12-03 01:04:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1086 states and 1508 transitions. [2023-12-03 01:04:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1508 transitions. [2023-12-03 01:04:54,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 01:04:54,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1089 states and 1511 transitions. [2023-12-03 01:04:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1511 transitions. [2023-12-03 01:04:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:04:55,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:55,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1092 states and 1514 transitions. [2023-12-03 01:04:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1514 transitions. [2023-12-03 01:04:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:04:57,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:57,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:04:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:04:58,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1095 states and 1517 transitions. [2023-12-03 01:04:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1517 transitions. [2023-12-03 01:04:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:04:58,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:04:58,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:04:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:04:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:05:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1098 states and 1520 transitions. [2023-12-03 01:05:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1520 transitions. [2023-12-03 01:05:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 01:05:00,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:00,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:01,013 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:05:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1101 states and 1523 transitions. [2023-12-03 01:05:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1523 transitions. [2023-12-03 01:05:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 01:05:02,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:02,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:05:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1104 states and 1526 transitions. [2023-12-03 01:05:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1526 transitions. [2023-12-03 01:05:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 01:05:03,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:05:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1107 states and 1529 transitions. [2023-12-03 01:05:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1529 transitions. [2023-12-03 01:05:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:05:05,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:05:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:05:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:05:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1110 states and 1531 transitions. [2023-12-03 01:05:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1531 transitions. [2023-12-03 01:05:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 01:05:06,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:05:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:05:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:05:07,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:05:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:05:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:05:19,067 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:05:19,070 INFO L158 Benchmark]: Toolchain (without parser) took 94845.73ms. Allocated memory was 163.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 117.6MB in the beginning and 1.1GB in the end (delta: -957.9MB). Peak memory consumption was 413.3MB. Max. memory is 16.1GB. [2023-12-03 01:05:19,070 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:05:19,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2199.20ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 117.6MB in the beginning and 148.9MB in the end (delta: -31.3MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2023-12-03 01:05:19,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 261.00ms. Allocated memory is still 207.6MB. Free memory was 148.9MB in the beginning and 119.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 01:05:19,072 INFO L158 Benchmark]: Boogie Preprocessor took 199.63ms. Allocated memory is still 207.6MB. Free memory was 119.5MB in the beginning and 90.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 01:05:19,072 INFO L158 Benchmark]: RCFGBuilder took 6055.64ms. Allocated memory was 207.6MB in the beginning and 314.6MB in the end (delta: 107.0MB). Free memory was 89.1MB in the beginning and 144.6MB in the end (delta: -55.4MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2023-12-03 01:05:19,073 INFO L158 Benchmark]: CodeCheck took 86125.37ms. Allocated memory was 314.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 144.6MB in the beginning and 1.1GB in the end (delta: -930.9MB). Peak memory consumption was 285.5MB. Max. memory is 16.1GB. [2023-12-03 01:05:19,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2199.20ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 117.6MB in the beginning and 148.9MB in the end (delta: -31.3MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 261.00ms. Allocated memory is still 207.6MB. Free memory was 148.9MB in the beginning and 119.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 199.63ms. Allocated memory is still 207.6MB. Free memory was 119.5MB in the beginning and 90.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6055.64ms. Allocated memory was 207.6MB in the beginning and 314.6MB in the end (delta: 107.0MB). Free memory was 89.1MB in the beginning and 144.6MB in the end (delta: -55.4MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. * CodeCheck took 86125.37ms. Allocated memory was 314.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 144.6MB in the beginning and 1.1GB in the end (delta: -930.9MB). Peak memory consumption was 285.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:05:19,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/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_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 01:05:20,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:05:21,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:05:21,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:05:21,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:05:21,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:05:21,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:05:21,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:05:21,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:05:21,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:05:21,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:05:21,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:05:21,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:05:21,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:05:21,102 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:05:21,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:05:21,103 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:05:21,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:05:21,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:05:21,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:05:21,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:05:21,106 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:05:21,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:05:21,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:05:21,107 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:21,108 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:05:21,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:05:21,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:21,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:05:21,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:05:21,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:05:21,110 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:05:21,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:21,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:05:21,111 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:05:21,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:05:21,111 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ada5a793906a8c21c0c37214d90767529226ee2d6e9139376b7842d17987b9 [2023-12-03 01:05:21,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:05:21,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:05:21,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:05:21,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:05:21,399 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:05:21,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-12-03 01:05:24,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:05:24,641 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:05:24,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2023-12-03 01:05:24,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data/a2e089d7e/fba641cec2834007add6f4c930808a5b/FLAGad9bc810c [2023-12-03 01:05:24,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/data/a2e089d7e/fba641cec2834007add6f4c930808a5b [2023-12-03 01:05:24,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:05:24,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:05:24,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:24,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:05:24,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:05:24,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:24" (1/1) ... [2023-12-03 01:05:24,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddc7bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:24, skipping insertion in model container [2023-12-03 01:05:24,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:24" (1/1) ... [2023-12-03 01:05:24,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:05:26,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:26,647 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:05:26,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:05:26,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:26,977 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:05:27,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:27,549 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,549 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,550 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,550 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,550 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,550 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,550 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,550 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,551 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,551 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:27,557 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:05:27,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27 WrapperNode [2023-12-03 01:05:27,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:27,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:27,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:05:27,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:05:27,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:27,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:27,837 INFO L138 Inliner]: procedures = 691, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 3705 [2023-12-03 01:05:27,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:27,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:05:27,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:05:27,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:05:27,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:27,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:27,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:27,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:27,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:28,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:28,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:28,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:28,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:05:28,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:05:28,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:05:28,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:05:28,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:27" (1/1) ... [2023-12-03 01:05:28,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:05:28,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:05:28,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:05:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-12-03 01:05:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-12-03 01:05:28,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-12-03 01:05:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-12-03 01:05:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-12-03 01:05:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-12-03 01:05:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-12-03 01:05:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-12-03 01:05:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-12-03 01:05:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-12-03 01:05:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:05:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-12-03 01:05:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:05:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-03 01:05:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:05:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 01:05:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-12-03 01:05:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-12-03 01:05:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-12-03 01:05:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-12-03 01:05:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-12-03 01:05:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-12-03 01:05:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-12-03 01:05:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-12-03 01:05:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-12-03 01:05:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-12-03 01:05:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-12-03 01:05:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-12-03 01:05:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-12-03 01:05:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-12-03 01:05:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:05:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-12-03 01:05:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-03 01:05:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:05:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-12-03 01:05:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-12-03 01:05:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-12-03 01:05:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:05:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:05:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 01:05:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 01:05:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:05:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-03 01:05:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-03 01:05:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-03 01:05:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:05:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 01:05:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-03 01:05:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 01:05:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-12-03 01:05:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-12-03 01:05:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-12-03 01:05:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-12-03 01:05:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-12-03 01:05:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-12-03 01:05:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-12-03 01:05:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-12-03 01:05:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-12-03 01:05:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-12-03 01:05:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-12-03 01:05:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-12-03 01:05:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:05:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:05:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:05:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:05:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:05:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-12-03 01:05:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-12-03 01:05:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:05:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-12-03 01:05:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-12-03 01:05:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-12-03 01:05:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-03 01:05:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-03 01:05:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:05:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 01:05:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-12-03 01:05:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-12-03 01:05:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-12-03 01:05:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-12-03 01:05:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-12-03 01:05:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-12-03 01:05:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-12-03 01:05:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-12-03 01:05:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-12-03 01:05:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-12-03 01:05:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-12-03 01:05:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-12-03 01:05:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-12-03 01:05:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-12-03 01:05:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-12-03 01:05:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 01:05:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-12-03 01:05:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-12-03 01:05:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-12-03 01:05:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-12-03 01:05:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-12-03 01:05:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-12-03 01:05:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-12-03 01:05:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-12-03 01:05:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-12-03 01:05:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-12-03 01:05:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-12-03 01:05:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-12-03 01:05:28,769 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:05:28,772 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:06:18,865 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:06:19,749 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:06:19,749 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-03 01:06:19,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:06:19 BoogieIcfgContainer [2023-12-03 01:06:19,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:06:19,752 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:06:19,752 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:06:19,794 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:06:19,795 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:06:19" (1/1) ... [2023-12-03 01:06:19,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:06:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 931 states and 1274 transitions. [2023-12-03 01:06:19,880 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1274 transitions. [2023-12-03 01:06:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:06:19,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:19,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:19,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:19,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:06:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:20,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:23,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:06:23,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:23,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:06:25,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:06:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 930 states and 1273 transitions. [2023-12-03 01:06:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1273 transitions. [2023-12-03 01:06:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:06:26,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:26,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:26,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:26,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:26,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:06:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:28,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:30,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 1874 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:06:30,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:30,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:06:32,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:06:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 933 states and 1277 transitions. [2023-12-03 01:06:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1277 transitions. [2023-12-03 01:06:33,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:06:33,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:33,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:33,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:33,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:33,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:06:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:36,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:38,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:06:38,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:38,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:06:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 936 states and 1280 transitions. [2023-12-03 01:06:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1280 transitions. [2023-12-03 01:06:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:06:38,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:38,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:38,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:38,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:38,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:06:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:41,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:43,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 1900 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:06:43,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:43,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:06:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 939 states and 1283 transitions. [2023-12-03 01:06:44,394 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1283 transitions. [2023-12-03 01:06:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:06:44,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:44,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:44,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:44,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:44,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:06:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:47,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:50,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:06:50,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:50,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:06:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 942 states and 1286 transitions. [2023-12-03 01:06:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1286 transitions. [2023-12-03 01:06:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:06:50,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:50,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:50,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:50,760 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:50,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:06:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:53,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:06:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:55,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:06:55,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:06:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:06:55,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:06:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:06:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 945 states and 1289 transitions. [2023-12-03 01:06:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1289 transitions. [2023-12-03 01:06:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:06:56,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:06:56,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:06:56,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:06:56,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:06:56,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:06:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:06:59,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:02,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 1939 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:07:02,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:02,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:07:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 948 states and 1292 transitions. [2023-12-03 01:07:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1292 transitions. [2023-12-03 01:07:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:07:03,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:03,053 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:03,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:07:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:05,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:07,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:07:07,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:08,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:07:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 951 states and 1295 transitions. [2023-12-03 01:07:09,160 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1295 transitions. [2023-12-03 01:07:09,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:07:09,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:09,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:09,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:09,163 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:09,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:07:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:12,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:14,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:07:14,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:15,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:07:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 954 states and 1298 transitions. [2023-12-03 01:07:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1298 transitions. [2023-12-03 01:07:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:07:16,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:16,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:16,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:16,289 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:16,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:07:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:19,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:21,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 1978 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:07:21,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:21,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:07:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 957 states and 1301 transitions. [2023-12-03 01:07:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1301 transitions. [2023-12-03 01:07:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:07:22,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:22,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:22,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:22,860 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:22,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:07:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:25,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:28,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:07:28,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:29,250 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:29,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:07:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 960 states and 1304 transitions. [2023-12-03 01:07:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1304 transitions. [2023-12-03 01:07:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:07:30,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:30,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:30,331 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:30,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:07:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:33,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:35,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:07:35,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:07:36,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:07:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 957 states and 1299 transitions. [2023-12-03 01:07:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1299 transitions. [2023-12-03 01:07:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:07:37,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:37,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:37,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:37,158 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:37,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:07:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:37,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:39,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:39,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:07:39,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:07:40,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 956 states and 1298 transitions. [2023-12-03 01:07:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1298 transitions. [2023-12-03 01:07:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:07:40,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:40,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:40,013 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:40,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:07:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:45,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:47,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 2022 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:07:47,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:07:48,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:07:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 955 states and 1297 transitions. [2023-12-03 01:07:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1297 transitions. [2023-12-03 01:07:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:07:48,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:48,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:48,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:48,999 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:49,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:07:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:49,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:51,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 2031 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:51,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:07:51,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:07:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 954 states and 1296 transitions. [2023-12-03 01:07:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1296 transitions. [2023-12-03 01:07:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:07:51,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:51,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:51,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:51,944 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:51,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:07:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:55,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:56,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 2032 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:07:57,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:07:57,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:07:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 953 states and 1295 transitions. [2023-12-03 01:07:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1295 transitions. [2023-12-03 01:07:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:07:57,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:57,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:57,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:57,888 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:57,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:07:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:58,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:00,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:08:00,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:00,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 01:08:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 952 states and 1294 transitions. [2023-12-03 01:08:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1294 transitions. [2023-12-03 01:08:00,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:08:00,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:00,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:00,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:00,875 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:00,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:08:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:01,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:03,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:08:03,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:03,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:08:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 951 states and 1293 transitions. [2023-12-03 01:08:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1293 transitions. [2023-12-03 01:08:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:08:03,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:03,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:03,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:03,926 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:03,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:08:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:04,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:06,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:08:06,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:06,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 01:08:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 950 states and 1289 transitions. [2023-12-03 01:08:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1289 transitions. [2023-12-03 01:08:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:08:06,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:06,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:06,974 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:06,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:08:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:10,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:12,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:08:12,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:12,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:08:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:13,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 954 states and 1297 transitions. [2023-12-03 01:08:13,345 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1297 transitions. [2023-12-03 01:08:13,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:08:13,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:13,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:13,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:13,347 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:13,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:08:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:16,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:18,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:08:18,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:18,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:08:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 957 states and 1303 transitions. [2023-12-03 01:08:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1303 transitions. [2023-12-03 01:08:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:08:20,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:20,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:20,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:20,897 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:20,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:08:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:24,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:26,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 2098 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:08:26,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:26,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:08:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:27,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 959 states and 1306 transitions. [2023-12-03 01:08:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1306 transitions. [2023-12-03 01:08:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:08:27,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:27,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:27,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:27,319 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:08:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:30,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:32,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 2098 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:08:32,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-12-03 01:08:32,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:08:33,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:33,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 961 states and 1307 transitions. [2023-12-03 01:08:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1307 transitions. [2023-12-03 01:08:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:08:33,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:33,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:33,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:33,598 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:33,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:08:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:36,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:39,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 2107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:08:39,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:40,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:08:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 964 states and 1312 transitions. [2023-12-03 01:08:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1312 transitions. [2023-12-03 01:08:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:08:43,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:43,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:43,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:43,524 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:43,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:08:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:44,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:46,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:08:46,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:46,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:08:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 963 states and 1311 transitions. [2023-12-03 01:08:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2023-12-03 01:08:46,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:08:46,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:46,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:46,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:46,772 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:46,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:08:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:50,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:52,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 2114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:08:52,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:08:52,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:08:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 966 states and 1315 transitions. [2023-12-03 01:08:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1315 transitions. [2023-12-03 01:08:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:08:53,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:53,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:53,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:53,440 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:53,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:08:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:56,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:08:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:58,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:08:58,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 01:08:58,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:08:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 968 states and 1316 transitions. [2023-12-03 01:08:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1316 transitions. [2023-12-03 01:08:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:08:59,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:59,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:08:59,799 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:08:59,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:09:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:03,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 2120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:09:05,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:09:05,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:09:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:09,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 971 states and 1321 transitions. [2023-12-03 01:09:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1321 transitions. [2023-12-03 01:09:09,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:09:09,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:09,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:09,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:09,392 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:09,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:09:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:12,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:14,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:09:14,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-03 01:09:15,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 01:09:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 973 states and 1322 transitions. [2023-12-03 01:09:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1322 transitions. [2023-12-03 01:09:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:09:16,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:16,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:16,100 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:16,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:09:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:19,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:22,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:09:22,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:09:23,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 01:09:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 976 states and 1327 transitions. [2023-12-03 01:09:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1327 transitions. [2023-12-03 01:09:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:09:26,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:26,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:26,964 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:26,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:09:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:28,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:30,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:09:30,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:09:30,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:09:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 975 states and 1325 transitions. [2023-12-03 01:09:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1325 transitions. [2023-12-03 01:09:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:09:30,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:30,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:30,187 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:30,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:09:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:33,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:35,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 2137 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:09:35,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-12-03 01:09:35,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:09:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 977 states and 1326 transitions. [2023-12-03 01:09:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1326 transitions. [2023-12-03 01:09:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:09:36,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:36,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:36,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:36,979 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:36,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:09:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:40,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:42,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:09:42,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:09:43,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:09:47,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 980 states and 1331 transitions. [2023-12-03 01:09:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1331 transitions. [2023-12-03 01:09:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:09:47,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:47,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:47,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:47,318 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:47,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:09:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:50,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:52,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 2149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:09:52,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:09:53,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:09:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 985 states and 1339 transitions. [2023-12-03 01:09:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1339 transitions. [2023-12-03 01:09:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:09:54,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:54,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:54,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:54,462 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:54,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:09:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:55,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:09:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:57,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:09:57,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:09:58,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:09:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 988 states and 1343 transitions. [2023-12-03 01:09:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1343 transitions. [2023-12-03 01:09:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:09:59,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:59,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:09:59,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:09:59,513 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:09:59,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:10:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:00,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:03,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:03,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:10:03,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:10:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 992 states and 1350 transitions. [2023-12-03 01:10:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1350 transitions. [2023-12-03 01:10:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:10:09,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:09,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:09,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:09,844 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:09,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:10:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:13,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:15,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:15,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-03 01:10:15,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:10:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 994 states and 1351 transitions. [2023-12-03 01:10:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1351 transitions. [2023-12-03 01:10:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:10:17,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:17,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:17,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:17,213 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:17,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:10:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:20,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:23,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:10:23,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:24,815 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:10:24,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:10:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 997 states and 1356 transitions. [2023-12-03 01:10:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1356 transitions. [2023-12-03 01:10:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:10:29,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:29,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:29,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:29,961 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:29,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:10:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:31,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:33,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 2199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:33,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:10:33,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:10:33,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 998 states and 1358 transitions. [2023-12-03 01:10:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1358 transitions. [2023-12-03 01:10:33,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:10:33,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:33,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:33,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:33,788 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:33,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:10:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:35,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:37,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 2156 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:37,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:10:37,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:10:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 997 states and 1356 transitions. [2023-12-03 01:10:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1356 transitions. [2023-12-03 01:10:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:10:37,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:37,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:37,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:37,191 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:37,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:10:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:40,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:43,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 2160 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:10:43,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-03 01:10:44,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:10:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 998 states and 1358 transitions. [2023-12-03 01:10:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1358 transitions. [2023-12-03 01:10:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:10:48,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:48,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:48,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:48,497 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:48,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:10:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:52,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:10:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:54,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 2163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:10:54,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-03 01:10:54,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:10:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1000 states and 1359 transitions. [2023-12-03 01:10:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1359 transitions. [2023-12-03 01:10:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:10:56,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:56,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:10:56,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:10:56,035 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:10:56,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:10:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:59,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:01,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 2172 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:11:01,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:11:03,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:11:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1003 states and 1364 transitions. [2023-12-03 01:11:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1364 transitions. [2023-12-03 01:11:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:11:08,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:08,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:08,698 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:08,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:11:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:12,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:14,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:11:14,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-12-03 01:11:14,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:11:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1005 states and 1365 transitions. [2023-12-03 01:11:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1365 transitions. [2023-12-03 01:11:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:11:16,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:16,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:16,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:16,347 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:16,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:11:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:20,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:23,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:11:23,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:11:24,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:11:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1008 states and 1370 transitions. [2023-12-03 01:11:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1370 transitions. [2023-12-03 01:11:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:11:31,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:31,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:31,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:31,139 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:31,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:11:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:36,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:39,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 2189 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:11:39,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-12-03 01:11:39,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:11:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1010 states and 1371 transitions. [2023-12-03 01:11:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1371 transitions. [2023-12-03 01:11:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:11:41,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:41,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:41,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:41,627 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:41,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:11:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:45,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:11:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:47,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:11:47,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:11:48,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:11:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:55,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1013 states and 1376 transitions. [2023-12-03 01:11:55,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1376 transitions. [2023-12-03 01:11:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:11:55,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:55,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:55,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:11:55,365 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:11:55,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:11:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:59,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:01,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 2202 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:12:01,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-12-03 01:12:01,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:12:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1015 states and 1377 transitions. [2023-12-03 01:12:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1377 transitions. [2023-12-03 01:12:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:12:03,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:03,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:03,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:03,247 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:03,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:12:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:06,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:10,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:12:10,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:12:11,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:12:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1018 states and 1382 transitions. [2023-12-03 01:12:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1382 transitions. [2023-12-03 01:12:18,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:12:18,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:18,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:18,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:18,147 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:18,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:12:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:22,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:24,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 2215 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:12:24,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-12-03 01:12:24,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:12:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1020 states and 1383 transitions. [2023-12-03 01:12:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1383 transitions. [2023-12-03 01:12:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:12:26,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:26,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:26,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:26,342 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:26,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:12:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:30,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:32,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 2224 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:12:32,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-03 01:12:34,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:12:41,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1021 states and 1384 transitions. [2023-12-03 01:12:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1384 transitions. [2023-12-03 01:12:41,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 01:12:41,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:41,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:41,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:41,011 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:41,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:12:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:45,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:47,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:12:47,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:12:47,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:12:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1022 states and 1385 transitions. [2023-12-03 01:12:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1385 transitions. [2023-12-03 01:12:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:12:49,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:49,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:49,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:49,454 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:49,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:12:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:53,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:55,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:55,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:12:57,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:13:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1029 states and 1414 transitions. [2023-12-03 01:13:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1414 transitions. [2023-12-03 01:13:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:13:07,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:07,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:07,555 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:07,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:13:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:11,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:14,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:14,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:13:14,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:13:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1030 states and 1414 transitions. [2023-12-03 01:13:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1414 transitions. [2023-12-03 01:13:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:13:18,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:18,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:18,404 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:13:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:22,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:24,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:24,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-12-03 01:13:25,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:13:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1032 states and 1415 transitions. [2023-12-03 01:13:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1415 transitions. [2023-12-03 01:13:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:13:27,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:27,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:27,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:27,535 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:27,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:13:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:31,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:34,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 2286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:13:34,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 93 proven. 9 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:13:34,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:13:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:38,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1033 states and 1415 transitions. [2023-12-03 01:13:38,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1415 transitions. [2023-12-03 01:13:38,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:13:38,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:38,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:38,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:38,210 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:38,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:13:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:42,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:44,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 2290 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:13:44,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:45,273 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-12-03 01:13:45,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:13:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1035 states and 1416 transitions. [2023-12-03 01:13:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1416 transitions. [2023-12-03 01:13:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:13:47,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:47,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:47,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:47,728 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:47,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:13:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:51,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:54,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:54,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 124 proven. 18 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:13:55,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:13:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1036 states and 1416 transitions. [2023-12-03 01:13:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1416 transitions. [2023-12-03 01:13:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 01:13:59,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:59,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:59,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:59,070 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:59,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:14:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:03,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:05,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:05,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-03 01:14:06,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 01:14:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1038 states and 1417 transitions. [2023-12-03 01:14:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1417 transitions. [2023-12-03 01:14:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 01:14:08,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:08,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:08,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:08,767 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:08,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:14:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:13,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:15,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:14:15,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 155 proven. 30 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:14:15,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 01:14:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1039 states and 1417 transitions. [2023-12-03 01:14:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1417 transitions. [2023-12-03 01:14:19,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 01:14:19,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:19,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:19,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:19,972 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:19,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:14:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:24,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:26,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:26,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-03 01:14:27,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:14:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1041 states and 1418 transitions. [2023-12-03 01:14:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1418 transitions. [2023-12-03 01:14:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 01:14:30,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:30,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:30,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:30,262 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:30,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:14:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:34,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:37,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:14:37,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 186 proven. 45 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:14:37,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:14:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1042 states and 1418 transitions. [2023-12-03 01:14:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1418 transitions. [2023-12-03 01:14:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:14:43,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:43,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:43,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:43,404 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:43,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:14:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:48,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:51,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:14:51,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:14:53,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:14:58,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1047 states and 1425 transitions. [2023-12-03 01:14:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1425 transitions. [2023-12-03 01:14:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:14:58,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:58,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:58,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:58,101 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:58,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:15:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:00,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:02,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:15:02,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:15:03,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:15:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1046 states and 1423 transitions. [2023-12-03 01:15:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1423 transitions. [2023-12-03 01:15:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 01:15:03,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:03,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:03,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:03,058 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:03,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:15:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:08,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:10,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 2329 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:10,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2023-12-03 01:15:11,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:15:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1048 states and 1424 transitions. [2023-12-03 01:15:14,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1424 transitions. [2023-12-03 01:15:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 01:15:14,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:14,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:14,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:14,407 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:14,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:15:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:19,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:21,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:15:21,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 217 proven. 63 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:15:21,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 01:15:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1049 states and 1424 transitions. [2023-12-03 01:15:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1424 transitions. [2023-12-03 01:15:26,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:15:26,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:26,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:26,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:26,669 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:26,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:15:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:31,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:34,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 2323 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:15:34,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:15:35,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:15:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1051 states and 1427 transitions. [2023-12-03 01:15:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1427 transitions. [2023-12-03 01:15:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:15:37,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:37,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:37,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:37,639 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:37,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:15:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:40,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:42,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:15:42,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:15:42,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:15:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1058 states and 1441 transitions. [2023-12-03 01:15:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1441 transitions. [2023-12-03 01:15:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 01:15:42,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:42,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:42,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:42,810 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:42,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:15:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:45,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:47,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:47,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:15:49,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:16:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1064 states and 1451 transitions. [2023-12-03 01:16:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1451 transitions. [2023-12-03 01:16:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:16:09,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:09,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:09,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:09,131 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:09,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:16:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:11,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:13,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:16:13,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:16:15,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:16:20,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1068 states and 1459 transitions. [2023-12-03 01:16:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1459 transitions. [2023-12-03 01:16:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:16:20,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:20,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:20,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:20,507 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:20,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:16:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:22,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:25,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:16:25,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:25,238 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:16:25,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:16:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1068 states and 1458 transitions. [2023-12-03 01:16:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1458 transitions. [2023-12-03 01:16:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:16:25,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:25,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:25,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:25,353 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:25,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:16:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:30,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:32,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 2342 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:32,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-12-03 01:16:33,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:16:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1070 states and 1459 transitions. [2023-12-03 01:16:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1459 transitions. [2023-12-03 01:16:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:16:36,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:36,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:36,938 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:36,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:16:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:41,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:45,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 2351 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:16:45,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 248 proven. 84 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:16:45,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 01:16:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1071 states and 1459 transitions. [2023-12-03 01:16:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1459 transitions. [2023-12-03 01:16:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 01:16:50,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:50,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:50,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:50,627 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:50,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:16:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:53,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:55,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 2331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:16:55,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-03 01:16:55,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 01:17:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1074 states and 1464 transitions. [2023-12-03 01:17:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1464 transitions. [2023-12-03 01:17:01,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 01:17:01,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:01,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:01,880 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:01,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d53ce-ab2c-4f54-91f9-50bd027495cb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process