./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:41:53,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:41:53,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:41:53,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:41:53,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:41:53,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:41:53,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:41:53,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:41:53,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:41:53,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:41:53,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:41:53,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:41:53,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:41:53,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:41:53,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:41:53,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:41:53,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:41:53,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:41:53,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:41:53,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:41:53,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:41:53,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:41:53,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:41:53,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:41:53,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:41:53,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:41:53,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:41:53,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:41:53,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:41:53,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:41:53,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:41:53,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:41:53,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:41:53,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:41:53,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:41:53,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:41:53,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:41:53,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:41:53,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:41:53,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:41:53,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:41:53,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 05:41:53,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:41:53,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:41:53,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:41:53,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:41:53,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:41:53,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:41:53,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:41:53,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:41:53,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:41:53,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:41:53,657 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:41:53,657 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:41:53,657 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 05:41:53,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:41:53,658 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:41:53,658 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:41:53,658 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:41:53,658 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:41:53,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:41:53,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:41:53,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:41:53,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:41:53,659 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:41:53,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:41:53,660 INFO L138 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_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a [2021-11-21 05:41:53,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:41:53,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:41:53,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:41:53,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:41:53,988 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:41:53,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-11-21 05:41:54,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/data/9c6bebd00/4ba9ce43849644c8aa39a1551325fdbc/FLAG24db2179e [2021-11-21 05:41:54,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:41:54,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-11-21 05:41:54,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/data/9c6bebd00/4ba9ce43849644c8aa39a1551325fdbc/FLAG24db2179e [2021-11-21 05:41:54,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/data/9c6bebd00/4ba9ce43849644c8aa39a1551325fdbc [2021-11-21 05:41:54,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:41:54,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:41:54,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:41:54,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:41:54,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:41:54,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:41:54" (1/1) ... [2021-11-21 05:41:54,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419a881b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:54, skipping insertion in model container [2021-11-21 05:41:54,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:41:54" (1/1) ... [2021-11-21 05:41:54,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:41:55,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:41:55,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:41:55,361 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:41:55,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:41:55,466 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:41:55,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55 WrapperNode [2021-11-21 05:41:55,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:41:55,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:41:55,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:41:55,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:41:55,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,543 INFO L137 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2021-11-21 05:41:55,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:41:55,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:41:55,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:41:55,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:41:55,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:41:55,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:41:55,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:41:55,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:41:55,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:41:55" (1/1) ... [2021-11-21 05:41:55,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:41:55,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:41:55,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:41:55,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9d88fb-c91e-40bb-b49b-1b88ae76daa3/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:41:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:41:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:41:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:41:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:41:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:41:55,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:41:55,818 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:41:55,820 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:41:56,082 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:41:56,156 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:41:56,156 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-21 05:41:56,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:41:56 BoogieIcfgContainer [2021-11-21 05:41:56,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:41:56,160 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:41:56,160 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:41:56,169 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:41:56,170 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:41:56" (1/1) ... [2021-11-21 05:41:56,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:41:56,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-11-21 05:41:56,251 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-21 05:41:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:41:56,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:56,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-21 05:41:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-21 05:41:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:41:56,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:56,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-21 05:41:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-21 05:41:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:41:56,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:56,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2021-11-21 05:41:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2021-11-21 05:41:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:41:57,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:57,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2021-11-21 05:41:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2021-11-21 05:41:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:41:57,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:57,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2021-11-21 05:41:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2021-11-21 05:41:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:41:57,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:57,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2021-11-21 05:41:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2021-11-21 05:41:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:41:58,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:58,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:58,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:58,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2021-11-21 05:41:58,692 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-11-21 05:41:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:41:58,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:58,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:59,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2021-11-21 05:41:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2021-11-21 05:41:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:41:59,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:59,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2021-11-21 05:42:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2021-11-21 05:42:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:42:00,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:00,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:01,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2021-11-21 05:42:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2021-11-21 05:42:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:42:01,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:01,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2021-11-21 05:42:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2021-11-21 05:42:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:42:01,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:01,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2021-11-21 05:42:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2021-11-21 05:42:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:42:02,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:02,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:02,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2021-11-21 05:42:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2021-11-21 05:42:02,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:42:02,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:02,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2021-11-21 05:42:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2021-11-21 05:42:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:42:03,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:03,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:04,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2021-11-21 05:42:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2021-11-21 05:42:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:42:04,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:04,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2021-11-21 05:42:04,772 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2021-11-21 05:42:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:42:04,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:04,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2021-11-21 05:42:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2021-11-21 05:42:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:42:05,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:05,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2021-11-21 05:42:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2021-11-21 05:42:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:42:05,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:05,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2021-11-21 05:42:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2021-11-21 05:42:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:42:06,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:06,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:42:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2021-11-21 05:42:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2021-11-21 05:42:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:42:07,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:07,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2021-11-21 05:42:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2021-11-21 05:42:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:07,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:07,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-11-21 05:42:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-11-21 05:42:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:07,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:07,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:42:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:07,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2021-11-21 05:42:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-11-21 05:42:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:07,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:07,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2021-11-21 05:42:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-11-21 05:42:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:09,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:09,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:42:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2021-11-21 05:42:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2021-11-21 05:42:09,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:09,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:09,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2021-11-21 05:42:10,776 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2021-11-21 05:42:10,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:10,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:10,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2021-11-21 05:42:11,516 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-21 05:42:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:11,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:11,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2021-11-21 05:42:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2021-11-21 05:42:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:42:13,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:13,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2021-11-21 05:42:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2021-11-21 05:42:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:42:13,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:13,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2021-11-21 05:42:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2021-11-21 05:42:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:42:15,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:15,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 104 transitions. [2021-11-21 05:42:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 104 transitions. [2021-11-21 05:42:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:42:16,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:16,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 111 transitions. [2021-11-21 05:42:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2021-11-21 05:42:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:42:17,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:17,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2021-11-21 05:42:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2021-11-21 05:42:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:42:17,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:17,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 111 transitions. [2021-11-21 05:42:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2021-11-21 05:42:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:42:17,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:17,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2021-11-21 05:42:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2021-11-21 05:42:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:42:21,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:21,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:22,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 71 states and 118 transitions. [2021-11-21 05:42:22,700 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 118 transitions. [2021-11-21 05:42:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:42:22,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:22,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 71 states and 117 transitions. [2021-11-21 05:42:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 117 transitions. [2021-11-21 05:42:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:42:24,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:24,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 75 states and 124 transitions. [2021-11-21 05:42:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 124 transitions. [2021-11-21 05:42:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:42:28,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:28,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2021-11-21 05:42:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2021-11-21 05:42:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:42:32,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:32,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:42:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 81 states and 139 transitions. [2021-11-21 05:42:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 139 transitions. [2021-11-21 05:42:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:42:33,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:33,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 95 states and 170 transitions. [2021-11-21 05:42:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 170 transitions. [2021-11-21 05:42:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:42:42,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:42,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 103 states and 189 transitions. [2021-11-21 05:42:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 189 transitions. [2021-11-21 05:42:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:42:48,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:48,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 104 states and 191 transitions. [2021-11-21 05:42:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 191 transitions. [2021-11-21 05:42:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:42:49,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:49,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:42:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 115 states and 218 transitions. [2021-11-21 05:42:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 218 transitions. [2021-11-21 05:42:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:42:57,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:57,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:43:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 127 states and 243 transitions. [2021-11-21 05:43:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2021-11-21 05:43:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:43:11,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:11,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:43:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 131 states and 249 transitions. [2021-11-21 05:43:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 249 transitions. [2021-11-21 05:43:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:43:17,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:17,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:43:19,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 133 states and 254 transitions. [2021-11-21 05:43:19,573 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 254 transitions. [2021-11-21 05:43:19,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:43:19,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:19,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:43:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 143 states and 271 transitions. [2021-11-21 05:43:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 271 transitions. [2021-11-21 05:43:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:43:31,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:31,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:43:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 295 transitions. [2021-11-21 05:43:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 295 transitions. [2021-11-21 05:43:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:43:43,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:43,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:43:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 153 states and 293 transitions. [2021-11-21 05:43:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2021-11-21 05:43:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:43:45,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:45,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:43:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 155 states and 299 transitions. [2021-11-21 05:43:48,125 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 299 transitions. [2021-11-21 05:43:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:43:48,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:48,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 165 states and 331 transitions. [2021-11-21 05:44:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 331 transitions. [2021-11-21 05:44:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:03,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:03,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 171 states and 352 transitions. [2021-11-21 05:44:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 352 transitions. [2021-11-21 05:44:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:15,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:15,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:44:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 176 states and 366 transitions. [2021-11-21 05:44:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 366 transitions. [2021-11-21 05:44:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:19,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:19,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:44:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 186 states and 387 transitions. [2021-11-21 05:44:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 387 transitions. [2021-11-21 05:44:32,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:32,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:32,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:44:35,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 187 states and 389 transitions. [2021-11-21 05:44:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 389 transitions. [2021-11-21 05:44:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:44:35,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:35,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:44:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 197 states and 420 transitions. [2021-11-21 05:44:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 420 transitions. [2021-11-21 05:44:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:44:55,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:55,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:45:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 206 states and 445 transitions. [2021-11-21 05:45:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 445 transitions. [2021-11-21 05:45:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:45:08,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:08,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:45:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 210 states and 454 transitions. [2021-11-21 05:45:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 454 transitions. [2021-11-21 05:45:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:45:17,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:17,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:45:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 212 states and 457 transitions. [2021-11-21 05:45:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 457 transitions. [2021-11-21 05:45:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:45:21,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:21,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 213 states and 459 transitions. [2021-11-21 05:45:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 459 transitions. [2021-11-21 05:45:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:45:24,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:24,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:45:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 215 states and 461 transitions. [2021-11-21 05:45:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 461 transitions. [2021-11-21 05:45:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:45:26,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:26,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:45:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 218 states and 467 transitions. [2021-11-21 05:45:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 467 transitions. [2021-11-21 05:45:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:45:35,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:35,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:45:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 227 states and 486 transitions. [2021-11-21 05:45:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 486 transitions. [2021-11-21 05:45:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:45:51,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:51,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:45:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 230 states and 488 transitions. [2021-11-21 05:45:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 488 transitions. [2021-11-21 05:45:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:45:55,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:55,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:46:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:01,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 234 states and 496 transitions. [2021-11-21 05:46:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 496 transitions. [2021-11-21 05:46:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:01,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:01,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:46:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 239 states and 505 transitions. [2021-11-21 05:46:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 505 transitions. [2021-11-21 05:46:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:10,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:10,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:46:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 243 states and 512 transitions. [2021-11-21 05:46:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 512 transitions. [2021-11-21 05:46:17,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:17,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:17,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:46:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 248 states and 524 transitions. [2021-11-21 05:46:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 524 transitions. [2021-11-21 05:46:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:26,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:26,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:46:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 248 states and 523 transitions. [2021-11-21 05:46:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 523 transitions. [2021-11-21 05:46:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:34,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:34,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:46:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 252 states and 528 transitions. [2021-11-21 05:46:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 528 transitions. [2021-11-21 05:46:40,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:40,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:40,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:46:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:43,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 254 states and 533 transitions. [2021-11-21 05:46:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 533 transitions. [2021-11-21 05:46:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:46:43,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:43,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:47:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 262 states and 562 transitions. [2021-11-21 05:47:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 562 transitions. [2021-11-21 05:47:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:47:01,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:01,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:47:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 262 states and 561 transitions. [2021-11-21 05:47:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 561 transitions. [2021-11-21 05:47:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:47:03,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:03,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:47:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 249 states and 540 transitions. [2021-11-21 05:47:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 540 transitions. [2021-11-21 05:47:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:47:05,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:05,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 253 states and 550 transitions. [2021-11-21 05:47:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 550 transitions. [2021-11-21 05:47:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:47:19,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:19,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:47:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 255 states and 558 transitions. [2021-11-21 05:47:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 558 transitions. [2021-11-21 05:47:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:47:26,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:26,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 257 states and 561 transitions. [2021-11-21 05:47:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 561 transitions. [2021-11-21 05:47:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:47:31,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:31,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:48:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 272 states and 605 transitions. [2021-11-21 05:48:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 605 transitions. [2021-11-21 05:48:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:11,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:11,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:48:21,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 276 states and 618 transitions. [2021-11-21 05:48:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 618 transitions. [2021-11-21 05:48:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:21,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:21,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:48:24,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 276 states and 617 transitions. [2021-11-21 05:48:24,898 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 617 transitions. [2021-11-21 05:48:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:24,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:24,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:48:29,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 278 states and 627 transitions. [2021-11-21 05:48:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 627 transitions. [2021-11-21 05:48:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:29,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:29,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:48:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 280 states and 635 transitions. [2021-11-21 05:48:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 635 transitions. [2021-11-21 05:48:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:32,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:32,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:48:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 282 states and 637 transitions. [2021-11-21 05:48:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 637 transitions. [2021-11-21 05:48:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:36,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:36,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:48:42,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:42,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 284 states and 650 transitions. [2021-11-21 05:48:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 650 transitions. [2021-11-21 05:48:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:42,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:42,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:48:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:54,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 289 states and 661 transitions. [2021-11-21 05:48:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 661 transitions. [2021-11-21 05:48:54,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:48:54,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:54,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:49:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 298 states and 696 transitions. [2021-11-21 05:49:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 696 transitions. [2021-11-21 05:49:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:49:16,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:16,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:49:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 301 states and 708 transitions. [2021-11-21 05:49:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 708 transitions. [2021-11-21 05:49:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:49:27,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:27,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:49:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 301 states and 706 transitions. [2021-11-21 05:49:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 706 transitions. [2021-11-21 05:49:37,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:49:37,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:37,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:49:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 306 states and 715 transitions. [2021-11-21 05:49:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 715 transitions. [2021-11-21 05:49:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:49:47,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:47,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:49:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 306 states and 713 transitions. [2021-11-21 05:49:50,185 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 713 transitions. [2021-11-21 05:49:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:49:50,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:50,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:49:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 308 states and 716 transitions. [2021-11-21 05:49:53,718 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 716 transitions. [2021-11-21 05:49:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:49:53,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:53,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:49:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:49:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 309 states and 719 transitions. [2021-11-21 05:49:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 719 transitions. [2021-11-21 05:49:57,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:49:57,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:49:57,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:49:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:49:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:50:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 315 states and 731 transitions. [2021-11-21 05:50:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 731 transitions. [2021-11-21 05:50:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:50:12,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:12,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:50:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 319 states and 742 transitions. [2021-11-21 05:50:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 742 transitions. [2021-11-21 05:50:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:50:29,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:29,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:50:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 321 states and 745 transitions. [2021-11-21 05:50:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 745 transitions. [2021-11-21 05:50:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:50:35,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:35,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:50:37,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 320 states and 742 transitions. [2021-11-21 05:50:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 742 transitions. [2021-11-21 05:50:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:50:37,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:37,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:50:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:50:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 322 states and 750 transitions. [2021-11-21 05:50:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 750 transitions. [2021-11-21 05:50:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:50:41,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:50:41,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:50:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:50:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 332 states and 788 transitions. [2021-11-21 05:51:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 788 transitions. [2021-11-21 05:51:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:51:22,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:22,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 332 states and 785 transitions. [2021-11-21 05:51:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 785 transitions. [2021-11-21 05:51:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:51:33,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:33,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:51:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 334 states and 788 transitions. [2021-11-21 05:51:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 788 transitions. [2021-11-21 05:51:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:51:38,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:38,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-21 05:51:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:51:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 336 states and 791 transitions. [2021-11-21 05:51:48,375 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 791 transitions. [2021-11-21 05:51:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:51:48,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:51:48,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:51:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:51:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 341 states and 801 transitions. [2021-11-21 05:52:03,434 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 801 transitions. [2021-11-21 05:52:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:52:03,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:03,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:52:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 346 states and 811 transitions. [2021-11-21 05:52:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 811 transitions. [2021-11-21 05:52:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:52:15,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:15,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 348 states and 814 transitions. [2021-11-21 05:52:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 814 transitions. [2021-11-21 05:52:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:52:19,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:19,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:52:33,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 353 states and 824 transitions. [2021-11-21 05:52:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 824 transitions. [2021-11-21 05:52:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:52:33,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:33,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:52:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 357 states and 835 transitions. [2021-11-21 05:52:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 835 transitions. [2021-11-21 05:52:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:52:52,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:52,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:52:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:52:58,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 359 states and 838 transitions. [2021-11-21 05:52:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 838 transitions. [2021-11-21 05:52:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:52:58,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:52:58,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:52:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:52:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:53:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 364 states and 847 transitions. [2021-11-21 05:53:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 847 transitions. [2021-11-21 05:53:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:53:09,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:09,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:53:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:53:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 365 states and 849 transitions. [2021-11-21 05:53:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 849 transitions. [2021-11-21 05:53:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:53:18,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:53:18,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:53:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:53:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.