./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/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 4c3aab1156afcb98b97b027e9b66004d54025f3b89e95d6d35dc2e84fdb640d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:44,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:44,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:44,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:44,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:44,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:44,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:44,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:44,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:44,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:44,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:44,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:44,406 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:44,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:44,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:44,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:44,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:44,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:44,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:44,411 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:44,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:44,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:44,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:44,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:44,413 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:44,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:44,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:44,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:44,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:44,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:44,417 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:44,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:44,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:44,418 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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c3aab1156afcb98b97b027e9b66004d54025f3b89e95d6d35dc2e84fdb640d2 [2023-11-19 04:08:44,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:44,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:44,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:44,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:44,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:44,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c [2023-11-19 04:08:47,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:48,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:48,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c [2023-11-19 04:08:48,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/data/65aa85543/7c5ac38791c544a592ca0c1e443321f9/FLAG380694ea7 [2023-11-19 04:08:48,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/data/65aa85543/7c5ac38791c544a592ca0c1e443321f9 [2023-11-19 04:08:48,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:48,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:48,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:48,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:48,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:48,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f7a07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48, skipping insertion in model container [2023-11-19 04:08:48,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:48,425 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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c[914,927] [2023-11-19 04:08:48,500 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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c[7115,7128] [2023-11-19 04:08:48,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:48,560 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:48,573 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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c[914,927] [2023-11-19 04:08:48,596 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_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c[7115,7128] [2023-11-19 04:08:48,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:48,661 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:48,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48 WrapperNode [2023-11-19 04:08:48,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:48,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:48,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:48,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:48,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,754 INFO L138 Inliner]: procedures = 59, calls = 66, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 530 [2023-11-19 04:08:48,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:48,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:48,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:48,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:48,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:48,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:48,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:48,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:48,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:48" (1/1) ... [2023-11-19 04:08:48,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:48,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:48,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:48,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d7e2f09-295c-4ad2-9e9c-fa3391415fe9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 04:08:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 04:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 04:08:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 04:08:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 04:08:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 04:08:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 04:08:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 04:08:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 04:08:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 04:08:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 04:08:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 04:08:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 04:08:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 04:08:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 04:08:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 04:08:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 04:08:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 04:08:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 04:08:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 04:08:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 04:08:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 04:08:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 04:08:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 04:08:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 04:08:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 04:08:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 04:08:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 04:08:49,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:49,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:49,784 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:50,191 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:50,191 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 04:08:50,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:50 BoogieIcfgContainer [2023-11-19 04:08:50,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:50,207 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:50,207 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:50,218 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:50,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 165 states and 235 transitions. [2023-11-19 04:08:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 235 transitions. [2023-11-19 04:08:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:08:50,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:50,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:50,852 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 04:08:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 177 states and 257 transitions. [2023-11-19 04:08:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 257 transitions. [2023-11-19 04:08:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:08:51,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,238 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 04:08:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 178 states and 257 transitions. [2023-11-19 04:08:51,264 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 257 transitions. [2023-11-19 04:08:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:08:51,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,379 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 04:08:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 179 states and 257 transitions. [2023-11-19 04:08:51,402 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 257 transitions. [2023-11-19 04:08:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:08:51,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,558 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 04:08:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 188 states and 278 transitions. [2023-11-19 04:08:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 278 transitions. [2023-11-19 04:08:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:08:51,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,897 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 04:08:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 196 states and 292 transitions. [2023-11-19 04:08:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2023-11-19 04:08:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:08:52,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:52,190 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 04:08:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 201 states and 295 transitions. [2023-11-19 04:08:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 295 transitions. [2023-11-19 04:08:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:08:52,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:52,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:52,658 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 04:08:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 306 transitions. [2023-11-19 04:08:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 306 transitions. [2023-11-19 04:08:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:08:53,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:53,881 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 04:08:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 217 states and 326 transitions. [2023-11-19 04:08:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 326 transitions. [2023-11-19 04:08:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:08:54,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:54,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:54,573 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 04:08:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:55,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 229 states and 349 transitions. [2023-11-19 04:08:55,459 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 349 transitions. [2023-11-19 04:08:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:55,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:55,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,487 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 04:08:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 229 states and 348 transitions. [2023-11-19 04:08:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 348 transitions. [2023-11-19 04:08:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:08:55,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:55,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,664 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 04:08:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 233 states and 354 transitions. [2023-11-19 04:08:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 354 transitions. [2023-11-19 04:08:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:08:55,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,863 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 04:08:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 241 states and 370 transitions. [2023-11-19 04:08:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 370 transitions. [2023-11-19 04:08:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:08:56,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:56,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:56,744 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 04:08:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 260 states and 413 transitions. [2023-11-19 04:08:58,887 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 413 transitions. [2023-11-19 04:08:58,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:08:58,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:58,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:59,095 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 04:09:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 266 states and 433 transitions. [2023-11-19 04:09:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 433 transitions. [2023-11-19 04:09:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:09:00,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,060 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 04:09:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 269 states and 439 transitions. [2023-11-19 04:09:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 439 transitions. [2023-11-19 04:09:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:09:01,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,736 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 04:09:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 269 states and 440 transitions. [2023-11-19 04:09:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 440 transitions. [2023-11-19 04:09:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:09:02,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,296 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 04:09:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 269 states and 436 transitions. [2023-11-19 04:09:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 436 transitions. [2023-11-19 04:09:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:09:02,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,430 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 04:09:02,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 269 states and 434 transitions. [2023-11-19 04:09:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 434 transitions. [2023-11-19 04:09:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:09:02,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,810 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 04:09:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 269 states and 430 transitions. [2023-11-19 04:09:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 430 transitions. [2023-11-19 04:09:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:09:02,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,058 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 04:09:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 267 states and 426 transitions. [2023-11-19 04:09:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 426 transitions. [2023-11-19 04:09:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:09:03,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,295 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 04:09:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 268 states and 427 transitions. [2023-11-19 04:09:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 427 transitions. [2023-11-19 04:09:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:09:03,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,544 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 04:09:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 262 states and 414 transitions. [2023-11-19 04:09:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 414 transitions. [2023-11-19 04:09:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:03,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,612 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 04:09:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 269 states and 424 transitions. [2023-11-19 04:09:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 424 transitions. [2023-11-19 04:09:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:04,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,735 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 04:09:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 270 states and 427 transitions. [2023-11-19 04:09:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 427 transitions. [2023-11-19 04:09:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:05,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,548 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 04:09:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 290 states and 476 transitions. [2023-11-19 04:09:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 476 transitions. [2023-11-19 04:09:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:09,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,684 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 04:09:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 292 states and 481 transitions. [2023-11-19 04:09:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 481 transitions. [2023-11-19 04:09:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:10,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,202 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 04:09:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 293 states and 484 transitions. [2023-11-19 04:09:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 484 transitions. [2023-11-19 04:09:10,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:10,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,667 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 04:09:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 295 states and 488 transitions. [2023-11-19 04:09:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 488 transitions. [2023-11-19 04:09:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:11,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,691 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 04:09:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 297 states and 493 transitions. [2023-11-19 04:09:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 493 transitions. [2023-11-19 04:09:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:12,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,196 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 04:09:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 298 states and 495 transitions. [2023-11-19 04:09:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 495 transitions. [2023-11-19 04:09:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:12,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,707 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 04:09:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 308 states and 517 transitions. [2023-11-19 04:09:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 517 transitions. [2023-11-19 04:09:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:09:14,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,580 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 04:09:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 309 states and 518 transitions. [2023-11-19 04:09:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 518 transitions. [2023-11-19 04:09:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:14,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,674 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 04:09:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 307 states and 514 transitions. [2023-11-19 04:09:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 514 transitions. [2023-11-19 04:09:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:14,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,003 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 04:09:15,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 308 states and 515 transitions. [2023-11-19 04:09:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 515 transitions. [2023-11-19 04:09:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:15,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,361 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 04:09:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 302 states and 501 transitions. [2023-11-19 04:09:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 501 transitions. [2023-11-19 04:09:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:09:15,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,917 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 04:09:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 324 states and 545 transitions. [2023-11-19 04:09:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 545 transitions. [2023-11-19 04:09:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:21,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:21,957 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 04:09:21,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 326 states and 548 transitions. [2023-11-19 04:09:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 548 transitions. [2023-11-19 04:09:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:21,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:21,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:22,771 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 04:09:31,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 349 states and 601 transitions. [2023-11-19 04:09:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 601 transitions. [2023-11-19 04:09:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:31,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:31,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:31,268 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 04:09:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 351 states and 607 transitions. [2023-11-19 04:09:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 607 transitions. [2023-11-19 04:09:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:32,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:32,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:32,721 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 04:09:33,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 353 states and 612 transitions. [2023-11-19 04:09:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 612 transitions. [2023-11-19 04:09:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:33,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,943 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 04:09:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 355 states and 618 transitions. [2023-11-19 04:09:35,256 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 618 transitions. [2023-11-19 04:09:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:35,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:35,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:35,318 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 04:09:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 356 states and 620 transitions. [2023-11-19 04:09:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 620 transitions. [2023-11-19 04:09:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:09:35,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.