./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.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_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/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_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/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_821997e6-1fb8-4eb4-9225-0ba496c2a903/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 a41d14195dc7825ea8ff849a910a7045aa33d6087daf5af287d6c34e44b1032a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:01,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:01,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:04:01,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:01,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:01,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:01,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:01,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:01,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:01,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:01,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:01,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:01,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:01,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:01,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:01,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:01,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:01,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:01,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:01,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:01,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:01,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:01,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:01,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:01,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:01,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:01,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:01,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:01,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:01,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:01,805 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:01,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:01,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:01,806 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_821997e6-1fb8-4eb4-9225-0ba496c2a903/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a41d14195dc7825ea8ff849a910a7045aa33d6087daf5af287d6c34e44b1032a [2023-11-19 04:04:02,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:02,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:02,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:02,193 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:02,194 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:02,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c [2023-11-19 04:04:05,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:05,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:05,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c [2023-11-19 04:04:05,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/data/5df6d47fd/cd40b7f39f1b4c698b9d82fd25283ccc/FLAGd555a3a79 [2023-11-19 04:04:05,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/data/5df6d47fd/cd40b7f39f1b4c698b9d82fd25283ccc [2023-11-19 04:04:05,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:05,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:05,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:05,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:05,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:05,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:05" (1/1) ... [2023-11-19 04:04:05,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19cf80e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:05, skipping insertion in model container [2023-11-19 04:04:05,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:05" (1/1) ... [2023-11-19 04:04:05,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:06,145 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_821997e6-1fb8-4eb4-9225-0ba496c2a903/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[914,927] [2023-11-19 04:04:06,210 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_821997e6-1fb8-4eb4-9225-0ba496c2a903/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[7115,7128] [2023-11-19 04:04:06,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:06,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:06,374 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_821997e6-1fb8-4eb4-9225-0ba496c2a903/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[914,927] [2023-11-19 04:04:06,392 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_821997e6-1fb8-4eb4-9225-0ba496c2a903/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.12.cil-1.c[7115,7128] [2023-11-19 04:04:06,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:06,494 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:06,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06 WrapperNode [2023-11-19 04:04:06,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:06,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:06,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:06,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:06,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,586 INFO L138 Inliner]: procedures = 77, calls = 94, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 1076 [2023-11-19 04:04:06,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:06,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:06,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:06,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:06,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:06,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:06,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:06,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:06,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:06" (1/1) ... [2023-11-19 04:04:06,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:06,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:06,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:06,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_821997e6-1fb8-4eb4-9225-0ba496c2a903/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 04:04:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 04:04:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 04:04:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 04:04:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 04:04:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 04:04:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 04:04:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 04:04:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-11-19 04:04:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-11-19 04:04:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 04:04:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 04:04:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 04:04:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 04:04:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-11-19 04:04:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-11-19 04:04:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 04:04:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 04:04:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-11-19 04:04:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-11-19 04:04:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 04:04:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 04:04:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 04:04:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 04:04:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-11-19 04:04:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-11-19 04:04:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 04:04:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 04:04:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 04:04:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 04:04:07,105 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:07,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:08,278 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:09,081 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:09,082 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2023-11-19 04:04:09,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:09 BoogieIcfgContainer [2023-11-19 04:04:09,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:09,098 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:09,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:09,109 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:09,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 279 states and 416 transitions. [2023-11-19 04:04:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 416 transitions. [2023-11-19 04:04:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:09,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:09,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:09,714 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 04:04:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 287 states and 426 transitions. [2023-11-19 04:04:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 426 transitions. [2023-11-19 04:04:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:09,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:09,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:10,370 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 04:04:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 300 states and 451 transitions. [2023-11-19 04:04:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 451 transitions. [2023-11-19 04:04:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:11,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:11,463 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 04:04:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 295 states and 438 transitions. [2023-11-19 04:04:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 438 transitions. [2023-11-19 04:04:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:04:11,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:12,080 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 04:04:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 305 states and 458 transitions. [2023-11-19 04:04:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 458 transitions. [2023-11-19 04:04:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:04:12,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:12,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:12,448 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 04:04:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 317 states and 481 transitions. [2023-11-19 04:04:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 481 transitions. [2023-11-19 04:04:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:04:13,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:13,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:13,359 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 04:04:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 317 states and 480 transitions. [2023-11-19 04:04:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 480 transitions. [2023-11-19 04:04:13,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:04:13,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:13,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:13,565 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 04:04:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 322 states and 488 transitions. [2023-11-19 04:04:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 488 transitions. [2023-11-19 04:04:13,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:04:13,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:13,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:13,928 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 04:04:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 330 states and 504 transitions. [2023-11-19 04:04:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 504 transitions. [2023-11-19 04:04:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:04:14,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:14,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:14,718 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 04:04:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 331 states and 507 transitions. [2023-11-19 04:04:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 507 transitions. [2023-11-19 04:04:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:04:14,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:14,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:14,970 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 04:04:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 338 states and 517 transitions. [2023-11-19 04:04:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 517 transitions. [2023-11-19 04:04:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:04:15,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:15,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,702 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 04:04:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 339 states and 518 transitions. [2023-11-19 04:04:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 518 transitions. [2023-11-19 04:04:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:04:15,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:15,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,934 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 04:04:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:16,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 349 states and 540 transitions. [2023-11-19 04:04:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 540 transitions. [2023-11-19 04:04:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:04:16,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:17,155 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 04:04:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 371 states and 584 transitions. [2023-11-19 04:04:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 584 transitions. [2023-11-19 04:04:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:04:20,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,324 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 04:04:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 375 states and 589 transitions. [2023-11-19 04:04:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 589 transitions. [2023-11-19 04:04:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:04:20,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 383 states and 607 transitions. [2023-11-19 04:04:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 607 transitions. [2023-11-19 04:04:24,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:04:24,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:24,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:25,034 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 04:04:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 390 states and 623 transitions. [2023-11-19 04:04:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 623 transitions. [2023-11-19 04:04:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:04:26,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:26,160 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 04:04:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 390 states and 621 transitions. [2023-11-19 04:04:26,830 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 621 transitions. [2023-11-19 04:04:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:26,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 397 states and 645 transitions. [2023-11-19 04:04:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 645 transitions. [2023-11-19 04:04:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:27,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:27,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 399 states and 650 transitions. [2023-11-19 04:04:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 650 transitions. [2023-11-19 04:04:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:28,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:28,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:30,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 407 states and 667 transitions. [2023-11-19 04:04:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 667 transitions. [2023-11-19 04:04:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:30,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:30,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 408 states and 669 transitions. [2023-11-19 04:04:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 669 transitions. [2023-11-19 04:04:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:04:31,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:31,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 409 states and 672 transitions. [2023-11-19 04:04:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 672 transitions. [2023-11-19 04:04:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:04:31,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:31,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 04:04:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 414 states and 680 transitions. [2023-11-19 04:04:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 680 transitions. [2023-11-19 04:04:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:04:32,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 419 states and 692 transitions. [2023-11-19 04:04:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 692 transitions. [2023-11-19 04:04:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:04:32,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 421 states and 695 transitions. [2023-11-19 04:04:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 695 transitions. [2023-11-19 04:04:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:33,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:33,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 427 states and 706 transitions. [2023-11-19 04:04:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 706 transitions. [2023-11-19 04:04:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:34,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:34,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:35,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 433 states and 723 transitions. [2023-11-19 04:04:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 723 transitions. [2023-11-19 04:04:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:35,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 435 states and 726 transitions. [2023-11-19 04:04:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 726 transitions. [2023-11-19 04:04:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:37,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 442 states and 741 transitions. [2023-11-19 04:04:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 741 transitions. [2023-11-19 04:04:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:38,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:38,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:38,605 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:39,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 446 states and 748 transitions. [2023-11-19 04:04:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 748 transitions. [2023-11-19 04:04:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:39,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:39,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 452 states and 765 transitions. [2023-11-19 04:04:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 765 transitions. [2023-11-19 04:04:40,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:40,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:40,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:40,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:41,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 458 states and 776 transitions. [2023-11-19 04:04:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 776 transitions. [2023-11-19 04:04:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:04:41,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:04:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 460 states and 780 transitions. [2023-11-19 04:04:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 780 transitions. [2023-11-19 04:04:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:04:41,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:41,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 460 states and 779 transitions. [2023-11-19 04:04:42,007 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 779 transitions. [2023-11-19 04:04:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:04:42,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:42,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 04:04:42,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 461 states and 782 transitions. [2023-11-19 04:04:42,552 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 782 transitions. [2023-11-19 04:04:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:04:42,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:42,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 468 states and 792 transitions. [2023-11-19 04:04:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 792 transitions. [2023-11-19 04:04:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:04:43,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:43,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 04:04:44,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 469 states and 795 transitions. [2023-11-19 04:04:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 795 transitions. [2023-11-19 04:04:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:04:44,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:04:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 482 states and 819 transitions. [2023-11-19 04:04:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 819 transitions. [2023-11-19 04:04:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:04:46,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:46,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 04:04:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 489 states and 837 transitions. [2023-11-19 04:04:48,454 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 837 transitions. [2023-11-19 04:04:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:04:48,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:48,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 04:04:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 490 states and 840 transitions. [2023-11-19 04:04:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 840 transitions. [2023-11-19 04:04:49,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:04:49,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:49,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 490 states and 839 transitions. [2023-11-19 04:04:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 839 transitions. [2023-11-19 04:04:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:04:49,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:49,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.