./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a61ec0d9e8ff01aa8900ac2d4a87b40f68db963fb1a53c6fbb2c11c91e3dd345 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:42,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:42,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:19:42,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:42,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:42,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:42,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:42,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:42,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:42,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:42,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:42,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:42,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:42,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:42,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:42,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:42,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:42,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:42,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:42,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:42,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:42,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:42,444 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:42,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:42,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:42,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:42,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:42,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:42,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:42,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:42,449 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:42,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:42,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:42,451 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_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a61ec0d9e8ff01aa8900ac2d4a87b40f68db963fb1a53c6fbb2c11c91e3dd345 [2023-11-19 03:19:42,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:42,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:42,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:42,790 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:42,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:42,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c [2023-11-19 03:19:45,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:46,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:46,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c [2023-11-19 03:19:46,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/data/3f869d074/02554f7639bb49cba4105a9f493b39a1/FLAGfb4c38403 [2023-11-19 03:19:46,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/data/3f869d074/02554f7639bb49cba4105a9f493b39a1 [2023-11-19 03:19:46,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:46,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:46,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:46,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:46,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:46,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698519be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46, skipping insertion in model container [2023-11-19 03:19:46,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:46,485 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[914,927] [2023-11-19 03:19:46,542 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[7115,7128] [2023-11-19 03:19:46,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:46,626 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:46,643 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[914,927] [2023-11-19 03:19:46,681 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[7115,7128] [2023-11-19 03:19:46,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:46,785 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:46,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46 WrapperNode [2023-11-19 03:19:46,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:46,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:46,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:46,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:46,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,916 INFO L138 Inliner]: procedures = 61, calls = 70, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 596 [2023-11-19 03:19:46,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:46,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:46,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:46,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:46,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:46,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:46,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:46,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:46,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:46" (1/1) ... [2023-11-19 03:19:46,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:47,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:47,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:47,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a71b6d-060a-4634-bf98-c2c5ff5be214/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:19:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:19:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 03:19:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 03:19:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 03:19:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 03:19:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 03:19:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 03:19:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 03:19:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 03:19:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 03:19:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 03:19:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 03:19:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 03:19:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 03:19:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 03:19:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 03:19:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 03:19:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 03:19:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 03:19:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 03:19:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 03:19:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 03:19:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 03:19:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 03:19:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 03:19:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 03:19:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 03:19:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 03:19:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 03:19:47,258 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:47,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:48,007 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:48,362 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:48,365 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-19 03:19:48,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:48 BoogieIcfgContainer [2023-11-19 03:19:48,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:48,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:48,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:48,392 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:48,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 183 states and 264 transitions. [2023-11-19 03:19:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 264 transitions. [2023-11-19 03:19:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:19:48,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 195 states and 281 transitions. [2023-11-19 03:19:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 281 transitions. [2023-11-19 03:19:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:19:49,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 194 states and 278 transitions. [2023-11-19 03:19:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 278 transitions. [2023-11-19 03:19:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:50,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 208 states and 304 transitions. [2023-11-19 03:19:50,823 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 304 transitions. [2023-11-19 03:19:50,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:50,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 209 states and 304 transitions. [2023-11-19 03:19:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 304 transitions. [2023-11-19 03:19:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:50,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 210 states and 304 transitions. [2023-11-19 03:19:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 304 transitions. [2023-11-19 03:19:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:51,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 211 states and 304 transitions. [2023-11-19 03:19:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 304 transitions. [2023-11-19 03:19:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:51,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 223 states and 331 transitions. [2023-11-19 03:19:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 331 transitions. [2023-11-19 03:19:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:51,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 224 states and 331 transitions. [2023-11-19 03:19:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 331 transitions. [2023-11-19 03:19:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:51,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 230 states and 346 transitions. [2023-11-19 03:19:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 346 transitions. [2023-11-19 03:19:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:52,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:52,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 238 states and 360 transitions. [2023-11-19 03:19:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 360 transitions. [2023-11-19 03:19:52,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:19:52,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:52,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 248 states and 380 transitions. [2023-11-19 03:19:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 380 transitions. [2023-11-19 03:19:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:19:53,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 260 states and 403 transitions. [2023-11-19 03:19:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 403 transitions. [2023-11-19 03:19:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:19:54,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 260 states and 402 transitions. [2023-11-19 03:19:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 402 transitions. [2023-11-19 03:19:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:19:54,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 270 states and 416 transitions. [2023-11-19 03:19:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 416 transitions. [2023-11-19 03:19:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:19:55,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 278 states and 432 transitions. [2023-11-19 03:19:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 432 transitions. [2023-11-19 03:19:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:19:56,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:56,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 285 states and 442 transitions. [2023-11-19 03:19:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 442 transitions. [2023-11-19 03:19:57,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:19:57,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:19:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 286 states and 445 transitions. [2023-11-19 03:19:57,469 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 445 transitions. [2023-11-19 03:19:57,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:19:57,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 296 states and 467 transitions. [2023-11-19 03:19:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 467 transitions. [2023-11-19 03:19:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:19:58,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:19:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 297 states and 468 transitions. [2023-11-19 03:19:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 468 transitions. [2023-11-19 03:19:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:19:59,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:59,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 319 states and 512 transitions. [2023-11-19 03:20:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 512 transitions. [2023-11-19 03:20:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:02,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 341 states and 563 transitions. [2023-11-19 03:20:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 563 transitions. [2023-11-19 03:20:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:06,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:10,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 350 states and 591 transitions. [2023-11-19 03:20:10,410 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 591 transitions. [2023-11-19 03:20:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:10,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:10,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 356 states and 605 transitions. [2023-11-19 03:20:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 605 transitions. [2023-11-19 03:20:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:12,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:12,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 357 states and 607 transitions. [2023-11-19 03:20:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 607 transitions. [2023-11-19 03:20:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:12,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:12,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 357 states and 604 transitions. [2023-11-19 03:20:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 604 transitions. [2023-11-19 03:20:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:13,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 357 states and 598 transitions. [2023-11-19 03:20:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 598 transitions. [2023-11-19 03:20:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:13,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:13,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:14,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 357 states and 594 transitions. [2023-11-19 03:20:14,341 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 594 transitions. [2023-11-19 03:20:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:14,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:14,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 355 states and 590 transitions. [2023-11-19 03:20:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 590 transitions. [2023-11-19 03:20:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:14,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:14,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 356 states and 591 transitions. [2023-11-19 03:20:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 591 transitions. [2023-11-19 03:20:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:14,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:14,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:15,056 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 357 states and 592 transitions. [2023-11-19 03:20:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 592 transitions. [2023-11-19 03:20:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:15,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:15,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 348 states and 574 transitions. [2023-11-19 03:20:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 574 transitions. [2023-11-19 03:20:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:15,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:15,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 371 states and 631 transitions. [2023-11-19 03:20:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 631 transitions. [2023-11-19 03:20:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:21,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:21,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 379 states and 649 transitions. [2023-11-19 03:20:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 649 transitions. [2023-11-19 03:20:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:24,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:24,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 381 states and 654 transitions. [2023-11-19 03:20:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 654 transitions. [2023-11-19 03:20:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:25,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 382 states and 656 transitions. [2023-11-19 03:20:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 656 transitions. [2023-11-19 03:20:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:20:25,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:26,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 386 states and 661 transitions. [2023-11-19 03:20:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 661 transitions. [2023-11-19 03:20:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:20:26,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:26,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:26,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 384 states and 657 transitions. [2023-11-19 03:20:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 657 transitions. [2023-11-19 03:20:26,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:20:26,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:26,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 385 states and 658 transitions. [2023-11-19 03:20:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 658 transitions. [2023-11-19 03:20:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:20:27,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:27,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 386 states and 659 transitions. [2023-11-19 03:20:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 659 transitions. [2023-11-19 03:20:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:20:27,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:27,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 377 states and 640 transitions. [2023-11-19 03:20:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 640 transitions. [2023-11-19 03:20:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:20:27,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:27,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 377 states and 638 transitions. [2023-11-19 03:20:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 638 transitions. [2023-11-19 03:20:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:20:28,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 384 states and 655 transitions. [2023-11-19 03:20:30,909 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 655 transitions. [2023-11-19 03:20:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:20:30,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:30,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.