./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/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_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/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_9edfb254-b295-4866-b185-e48834d5c2f5/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 67128d109acca52d0fda3c2f0434d60ee9cc5cc865496b6446183c0a601e748c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:09,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:09,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:20:09,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:09,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:09,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:09,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:09,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:09,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:09,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:09,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:09,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:09,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:09,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:09,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:09,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:09,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:09,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:09,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:09,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:09,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:09,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:09,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:09,431 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:09,431 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:09,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:09,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:09,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:09,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:09,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:09,436 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:09,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:09,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:09,437 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_9edfb254-b295-4866-b185-e48834d5c2f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67128d109acca52d0fda3c2f0434d60ee9cc5cc865496b6446183c0a601e748c [2023-11-19 03:20:09,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:09,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:09,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:09,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:09,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:09,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c [2023-11-19 03:20:13,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:13,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:13,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c [2023-11-19 03:20:13,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/data/8c5f37c04/3d39cd5d1f1f43b884fcb774506a2034/FLAG77606d977 [2023-11-19 03:20:13,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/data/8c5f37c04/3d39cd5d1f1f43b884fcb774506a2034 [2023-11-19 03:20:13,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:13,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:13,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:13,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:13,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:13,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:13" (1/1) ... [2023-11-19 03:20:13,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a1144d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:13, skipping insertion in model container [2023-11-19 03:20:13,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:13" (1/1) ... [2023-11-19 03:20:13,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:14,070 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_9edfb254-b295-4866-b185-e48834d5c2f5/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[913,926] [2023-11-19 03:20:14,128 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_9edfb254-b295-4866-b185-e48834d5c2f5/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[5977,5990] [2023-11-19 03:20:14,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:14,293 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:14,323 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_9edfb254-b295-4866-b185-e48834d5c2f5/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[913,926] [2023-11-19 03:20:14,368 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_9edfb254-b295-4866-b185-e48834d5c2f5/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-1.c[5977,5990] [2023-11-19 03:20:14,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:14,536 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:14,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14 WrapperNode [2023-11-19 03:20:14,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:14,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:14,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:14,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:14,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,657 INFO L138 Inliner]: procedures = 72, calls = 85, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 1091 [2023-11-19 03:20:14,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:14,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:14,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:14,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:14,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:14,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:14,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:14,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:14,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:14" (1/1) ... [2023-11-19 03:20:14,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:14,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:14,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:14,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edfb254-b295-4866-b185-e48834d5c2f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:20:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:20:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2023-11-19 03:20:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2023-11-19 03:20:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 03:20:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 03:20:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 03:20:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 03:20:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 03:20:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 03:20:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 03:20:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 03:20:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 03:20:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 03:20:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 03:20:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 03:20:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 03:20:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 03:20:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 03:20:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 03:20:15,031 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:15,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:16,203 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:16,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:16,974 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2023-11-19 03:20:16,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:16 BoogieIcfgContainer [2023-11-19 03:20:16,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:16,991 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:16,992 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:17,003 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:17,004 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:16" (1/1) ... [2023-11-19 03:20:17,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:20:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 258 states and 392 transitions. [2023-11-19 03:20:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 392 transitions. [2023-11-19 03:20:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:20:17,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:17,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:17,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 263 states and 398 transitions. [2023-11-19 03:20:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 398 transitions. [2023-11-19 03:20:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:20:17,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:17,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 273 states and 418 transitions. [2023-11-19 03:20:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 418 transitions. [2023-11-19 03:20:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:20:18,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 285 states and 441 transitions. [2023-11-19 03:20:18,427 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 441 transitions. [2023-11-19 03:20:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:20:18,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 285 states and 440 transitions. [2023-11-19 03:20:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 440 transitions. [2023-11-19 03:20:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:20:18,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:18,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 288 states and 446 transitions. [2023-11-19 03:20:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 446 transitions. [2023-11-19 03:20:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:20:19,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 296 states and 461 transitions. [2023-11-19 03:20:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 461 transitions. [2023-11-19 03:20:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:20:20,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:20,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 304 states and 476 transitions. [2023-11-19 03:20:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 476 transitions. [2023-11-19 03:20:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:20:21,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:21,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 306 states and 480 transitions. [2023-11-19 03:20:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 480 transitions. [2023-11-19 03:20:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:20:21,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 310 states and 485 transitions. [2023-11-19 03:20:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 485 transitions. [2023-11-19 03:20:21,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:20:21,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:22,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 317 states and 501 transitions. [2023-11-19 03:20:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 501 transitions. [2023-11-19 03:20:22,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:20:22,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:22,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:22,371 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 03:20:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 324 states and 518 transitions. [2023-11-19 03:20:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 518 transitions. [2023-11-19 03:20:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:20:22,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:22,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:22,731 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 03:20:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 326 states and 521 transitions. [2023-11-19 03:20:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 521 transitions. [2023-11-19 03:20:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:20:22,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 335 states and 536 transitions. [2023-11-19 03:20:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 536 transitions. [2023-11-19 03:20:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:20:23,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:23,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 336 states and 536 transitions. [2023-11-19 03:20:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 536 transitions. [2023-11-19 03:20:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:20:23,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:20:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:24,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 345 states and 551 transitions. [2023-11-19 03:20:24,468 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 551 transitions. [2023-11-19 03:20:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:20:24,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:24,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:20:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 345 states and 550 transitions. [2023-11-19 03:20:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 550 transitions. [2023-11-19 03:20:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:20:24,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:24,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 358 states and 584 transitions. [2023-11-19 03:20:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 584 transitions. [2023-11-19 03:20:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:20:26,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:26,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:20:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 364 states and 596 transitions. [2023-11-19 03:20:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 596 transitions. [2023-11-19 03:20:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:20:26,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:26,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:20:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:27,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 370 states and 607 transitions. [2023-11-19 03:20:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 607 transitions. [2023-11-19 03:20:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:20:27,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:27,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 396 states and 666 transitions. [2023-11-19 03:20:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 666 transitions. [2023-11-19 03:20:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:20:32,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:32,125 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 03:20:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 406 states and 684 transitions. [2023-11-19 03:20:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 684 transitions. [2023-11-19 03:20:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:20:33,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:33,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:33,172 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 03:20:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 412 states and 697 transitions. [2023-11-19 03:20:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 697 transitions. [2023-11-19 03:20:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:20:33,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:33,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:33,812 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 03:20:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 413 states and 701 transitions. [2023-11-19 03:20:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 701 transitions. [2023-11-19 03:20:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:20:34,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:34,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:34,320 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 03:20:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:34,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 414 states and 704 transitions. [2023-11-19 03:20:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 704 transitions. [2023-11-19 03:20:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:20:34,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:34,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:34,708 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 03:20:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 415 states and 709 transitions. [2023-11-19 03:20:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 709 transitions. [2023-11-19 03:20:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:20:35,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:35,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:20:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 431 states and 748 transitions. [2023-11-19 03:20:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 748 transitions. [2023-11-19 03:20:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:20:38,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:38,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:20:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 433 states and 755 transitions. [2023-11-19 03:20:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 755 transitions. [2023-11-19 03:20:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:40,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:40,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:41,468 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:20:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 433 states and 754 transitions. [2023-11-19 03:20:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 754 transitions. [2023-11-19 03:20:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:42,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:42,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:20:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 433 states and 753 transitions. [2023-11-19 03:20:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 753 transitions. [2023-11-19 03:20:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:44,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:44,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:20:44,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 431 states and 749 transitions. [2023-11-19 03:20:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 749 transitions. [2023-11-19 03:20:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:20:44,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:44,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:20:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 436 states and 757 transitions. [2023-11-19 03:20:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 757 transitions. [2023-11-19 03:20:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:45,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:45,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:20:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 443 states and 774 transitions. [2023-11-19 03:20:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 774 transitions. [2023-11-19 03:20:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:46,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:20:46,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 441 states and 763 transitions. [2023-11-19 03:20:46,547 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 763 transitions. [2023-11-19 03:20:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:46,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:46,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:20:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 442 states and 764 transitions. [2023-11-19 03:20:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 764 transitions. [2023-11-19 03:20:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:20:46,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:46,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:20:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 443 states and 767 transitions. [2023-11-19 03:20:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 767 transitions. [2023-11-19 03:20:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:46,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:46,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:20:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 450 states and 784 transitions. [2023-11-19 03:20:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 784 transitions. [2023-11-19 03:20:48,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:48,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:48,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:20:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 452 states and 787 transitions. [2023-11-19 03:20:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 787 transitions. [2023-11-19 03:20:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:50,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:50,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:20:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 453 states and 790 transitions. [2023-11-19 03:20:50,658 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 790 transitions. [2023-11-19 03:20:50,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:50,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:50,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:20:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 454 states and 791 transitions. [2023-11-19 03:20:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 791 transitions. [2023-11-19 03:20:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:20:50,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:50,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:20:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 455 states and 794 transitions. [2023-11-19 03:20:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 794 transitions. [2023-11-19 03:20:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:20:50,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:50,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:20:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 457 states and 798 transitions. [2023-11-19 03:20:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 798 transitions. [2023-11-19 03:20:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:20:51,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:51,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:20:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 458 states and 799 transitions. [2023-11-19 03:20:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 799 transitions. [2023-11-19 03:20:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:20:51,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:51,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:20:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 458 states and 798 transitions. [2023-11-19 03:20:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 798 transitions. [2023-11-19 03:20:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:20:52,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:52,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:20:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 472 states and 821 transitions. [2023-11-19 03:20:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 821 transitions. [2023-11-19 03:20:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:20:56,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.