./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.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_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/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_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/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_65db9453-6a3f-46f3-8a03-d034dfe19116/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 47500ba035fb95802358be3af8dbcb0499051de1fc18562b910c6b7689271057 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:11,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:11,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:11,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:11,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:11,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:11,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:11,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:11,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:11,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:11,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:11,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:11,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:11,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:11,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:11,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:11,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:11,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:11,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:11,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:11,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:11,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:11,518 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:11,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:11,519 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:11,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:11,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:11,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:11,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:11,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:11,524 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:11,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:11,524 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:11,525 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_65db9453-6a3f-46f3-8a03-d034dfe19116/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47500ba035fb95802358be3af8dbcb0499051de1fc18562b910c6b7689271057 [2023-11-19 03:59:11,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:11,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:11,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:11,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:11,968 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:11,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2023-11-19 03:59:15,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:16,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:16,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2023-11-19 03:59:16,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/data/f09e6fec7/07db121772364448ba76e6197285c56b/FLAG13950f98f [2023-11-19 03:59:16,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/data/f09e6fec7/07db121772364448ba76e6197285c56b [2023-11-19 03:59:16,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:16,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:16,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:16,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:16,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:16,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:16" (1/1) ... [2023-11-19 03:59:16,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a8bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:16, skipping insertion in model container [2023-11-19 03:59:16,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:16" (1/1) ... [2023-11-19 03:59:16,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:16,856 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_65db9453-6a3f-46f3-8a03-d034dfe19116/sv-benchmarks/c/product-lines/email_spec9_product16.cil.c[33283,33296] [2023-11-19 03:59:16,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:16,992 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:17,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [48] [2023-11-19 03:59:17,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [105] [2023-11-19 03:59:17,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [216] [2023-11-19 03:59:17,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [233] [2023-11-19 03:59:17,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [599] [2023-11-19 03:59:17,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1004] [2023-11-19 03:59:17,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1278] [2023-11-19 03:59:17,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1316] [2023-11-19 03:59:17,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1541] [2023-11-19 03:59:17,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1550] [2023-11-19 03:59:17,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1832] [2023-11-19 03:59:17,103 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_65db9453-6a3f-46f3-8a03-d034dfe19116/sv-benchmarks/c/product-lines/email_spec9_product16.cil.c[33283,33296] [2023-11-19 03:59:17,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:17,219 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:17,226 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:17,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17 WrapperNode [2023-11-19 03:59:17,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:17,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:17,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:17,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:17,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,424 INFO L138 Inliner]: procedures = 126, calls = 201, calls flagged for inlining = 57, calls inlined = 52, statements flattened = 1004 [2023-11-19 03:59:17,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:17,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:17,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:17,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:17,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:17,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:17,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:17,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:17,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:17,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:17,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:17,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65db9453-6a3f-46f3-8a03-d034dfe19116/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-11-19 03:59:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-11-19 03:59:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-11-19 03:59:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-11-19 03:59:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-19 03:59:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-19 03:59:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-19 03:59:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-19 03:59:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-19 03:59:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-19 03:59:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-11-19 03:59:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-11-19 03:59:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-19 03:59:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-19 03:59:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-19 03:59:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-19 03:59:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-19 03:59:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-19 03:59:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-19 03:59:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-19 03:59:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-19 03:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-19 03:59:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-19 03:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-19 03:59:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-19 03:59:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-11-19 03:59:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-11-19 03:59:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-19 03:59:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-19 03:59:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-19 03:59:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-19 03:59:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-19 03:59:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-19 03:59:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:17,908 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:17,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:19,028 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:19,826 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:19,826 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:59:19,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:19 BoogieIcfgContainer [2023-11-19 03:59:19,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:19,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:19,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:19,849 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:19,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:19" (1/1) ... [2023-11-19 03:59:19,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 155 states and 216 transitions. [2023-11-19 03:59:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 216 transitions. [2023-11-19 03:59:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:59:19,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 155 states and 214 transitions. [2023-11-19 03:59:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2023-11-19 03:59:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:59:20,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:20,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 157 states and 227 transitions. [2023-11-19 03:59:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 227 transitions. [2023-11-19 03:59:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:59:21,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:21,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 160 states and 240 transitions. [2023-11-19 03:59:21,415 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 240 transitions. [2023-11-19 03:59:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:59:21,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 166 states and 262 transitions. [2023-11-19 03:59:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 262 transitions. [2023-11-19 03:59:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:59:21,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:21,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 171 states and 278 transitions. [2023-11-19 03:59:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 278 transitions. [2023-11-19 03:59:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:59:22,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:22,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:59:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 173 states and 281 transitions. [2023-11-19 03:59:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2023-11-19 03:59:22,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:59:22,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:22,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:59:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 175 states and 291 transitions. [2023-11-19 03:59:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 291 transitions. [2023-11-19 03:59:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:59:22,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:23,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 313 transitions. [2023-11-19 03:59:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 313 transitions. [2023-11-19 03:59:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:59:23,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:23,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:59:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 186 states and 318 transitions. [2023-11-19 03:59:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 318 transitions. [2023-11-19 03:59:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:59:23,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:23,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 191 states and 325 transitions. [2023-11-19 03:59:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 325 transitions. [2023-11-19 03:59:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:59:24,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:24,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 196 states and 344 transitions. [2023-11-19 03:59:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 344 transitions. [2023-11-19 03:59:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:59:24,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:24,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 205 states and 368 transitions. [2023-11-19 03:59:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 368 transitions. [2023-11-19 03:59:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:59:25,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:25,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 216 states and 395 transitions. [2023-11-19 03:59:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 395 transitions. [2023-11-19 03:59:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:59:27,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:27,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 222 states and 407 transitions. [2023-11-19 03:59:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 407 transitions. [2023-11-19 03:59:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:59:27,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 227 states and 423 transitions. [2023-11-19 03:59:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 423 transitions. [2023-11-19 03:59:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:59:28,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 03:59:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 259 states and 511 transitions. [2023-11-19 03:59:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 511 transitions. [2023-11-19 03:59:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:59:29,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:29,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 261 states and 521 transitions. [2023-11-19 03:59:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 521 transitions. [2023-11-19 03:59:30,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:59:30,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:30,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 264 states and 526 transitions. [2023-11-19 03:59:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 526 transitions. [2023-11-19 03:59:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:59:30,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:30,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:30,875 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 03:59:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 268 states and 534 transitions. [2023-11-19 03:59:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 534 transitions. [2023-11-19 03:59:31,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:59:31,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:31,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 281 states and 564 transitions. [2023-11-19 03:59:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 564 transitions. [2023-11-19 03:59:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:59:33,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:33,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:59:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 291 states and 599 transitions. [2023-11-19 03:59:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 599 transitions. [2023-11-19 03:59:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:59:34,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:34,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:59:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 293 states and 610 transitions. [2023-11-19 03:59:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 610 transitions. [2023-11-19 03:59:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:59:34,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:34,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 298 states and 628 transitions. [2023-11-19 03:59:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 628 transitions. [2023-11-19 03:59:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:59:35,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 03:59:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 300 states and 631 transitions. [2023-11-19 03:59:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 631 transitions. [2023-11-19 03:59:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:59:35,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:35,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 302 states and 640 transitions. [2023-11-19 03:59:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 640 transitions. [2023-11-19 03:59:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:59:36,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:36,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 307 states and 650 transitions. [2023-11-19 03:59:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 650 transitions. [2023-11-19 03:59:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:59:37,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:37,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:59:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 315 states and 680 transitions. [2023-11-19 03:59:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 680 transitions. [2023-11-19 03:59:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:59:38,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:38,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 330 states and 732 transitions. [2023-11-19 03:59:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 732 transitions. [2023-11-19 03:59:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:59:40,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:40,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 335 states and 751 transitions. [2023-11-19 03:59:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 751 transitions. [2023-11-19 03:59:41,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:59:41,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:41,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:59:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:41,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 340 states and 758 transitions. [2023-11-19 03:59:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 758 transitions. [2023-11-19 03:59:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:59:41,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:41,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 342 states and 767 transitions. [2023-11-19 03:59:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 767 transitions. [2023-11-19 03:59:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:59:42,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:42,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:42,469 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:59:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 347 states and 777 transitions. [2023-11-19 03:59:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 777 transitions. [2023-11-19 03:59:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:59:43,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:43,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:43,529 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:43,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 352 states and 785 transitions. [2023-11-19 03:59:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 785 transitions. [2023-11-19 03:59:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:59:43,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:43,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 356 states and 792 transitions. [2023-11-19 03:59:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 792 transitions. [2023-11-19 03:59:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:59:43,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:43,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 373 states and 847 transitions. [2023-11-19 03:59:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 847 transitions. [2023-11-19 03:59:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:59:46,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:59:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 379 states and 861 transitions. [2023-11-19 03:59:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 861 transitions. [2023-11-19 03:59:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:59:47,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:47,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:59:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:48,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 385 states and 872 transitions. [2023-11-19 03:59:48,708 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 872 transitions. [2023-11-19 03:59:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:59:48,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:48,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 404 states and 949 transitions. [2023-11-19 03:59:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 949 transitions. [2023-11-19 03:59:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:59:52,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:52,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 409 states and 956 transitions. [2023-11-19 03:59:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 956 transitions. [2023-11-19 03:59:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:59:52,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:52,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 415 states and 974 transitions. [2023-11-19 03:59:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 974 transitions. [2023-11-19 03:59:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:59:54,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:54,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:59:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 436 states and 1051 transitions. [2023-11-19 03:59:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1051 transitions. [2023-11-19 03:59:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:59:58,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.