./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ --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 86c4ccee9690ccdd33683565314ba095e56520aa142914bd8063fc7c4c92940d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:52:54,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:52:54,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:52:54,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:52:54,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:52:54,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:52:54,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:52:54,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:52:54,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:52:54,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:52:54,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:52:54,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:52:54,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:52:54,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:52:54,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:52:54,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:52:54,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:52:54,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:52:54,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:52:54,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:52:54,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:52:54,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:52:54,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:52:54,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:52:54,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:52:54,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:52:54,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:52:54,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:52:54,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:52:54,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:52:54,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:52:54,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:52:54,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:52:54,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:52:54,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:52:54,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:52:54,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:52:54,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:52:54,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:52:54,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:52:54,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:52:54,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:52:54,524 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:52:54,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:52:54,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:52:54,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:52:54,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:52:54,528 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:52:54,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:52:54,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:52:54,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:52:54,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:52:54,530 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:52:54,530 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:52:54,531 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:52:54,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:52:54,531 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:52:54,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:52:54,532 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:52:54,532 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:52:54,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:52:54,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:54,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:52:54,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:52:54,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:52:54,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:52:54,534 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_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86c4ccee9690ccdd33683565314ba095e56520aa142914bd8063fc7c4c92940d [2021-11-23 00:52:54,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:52:54,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:52:54,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:52:54,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:52:54,866 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:52:54,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i [2021-11-23 00:52:54,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/data/f216d628f/b47960c1b092491fa59537e7e6ac0faf/FLAG3fd4ab2fd [2021-11-23 00:52:55,631 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:52:55,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/sv-benchmarks/c/array-memsafety/openbsd_cstrcspn-alloca-2.i [2021-11-23 00:52:55,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/data/f216d628f/b47960c1b092491fa59537e7e6ac0faf/FLAG3fd4ab2fd [2021-11-23 00:52:55,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/data/f216d628f/b47960c1b092491fa59537e7e6ac0faf [2021-11-23 00:52:55,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:52:55,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:52:55,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:55,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:52:55,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:52:55,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:55" (1/1) ... [2021-11-23 00:52:55,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3616fe2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:55, skipping insertion in model container [2021-11-23 00:52:55,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:55" (1/1) ... [2021-11-23 00:52:55,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:52:55,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:56,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:56,316 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:56,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:56,401 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:56,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56 WrapperNode [2021-11-23 00:52:56,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:56,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:56,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:56,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:56,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,453 INFO L137 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2021-11-23 00:52:56,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:56,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:56,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:56,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:56,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:56,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:56,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:56,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:56,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:56" (1/1) ... [2021-11-23 00:52:56,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:56,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:56,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:56,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3cc430-dc7f-4a62-b646-ca8f2fece2d7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:52:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:52:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:52:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:52:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:52:56,723 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:52:56,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:52:56,982 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:52:57,074 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:52:57,074 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:52:57,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:57 BoogieIcfgContainer [2021-11-23 00:52:57,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:52:57,078 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:52:57,078 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:52:57,089 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:52:57,093 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:57" (1/1) ... [2021-11-23 00:52:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:52:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2021-11-23 00:52:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-23 00:52:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:52:57,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-23 00:52:57,479 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-23 00:52:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:52:57,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2021-11-23 00:52:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-11-23 00:52:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:52:57,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:58,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2021-11-23 00:52:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2021-11-23 00:52:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:52:58,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:58,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2021-11-23 00:52:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2021-11-23 00:52:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:52:58,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2021-11-23 00:52:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2021-11-23 00:52:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:52:58,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2021-11-23 00:52:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2021-11-23 00:52:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:52:59,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2021-11-23 00:52:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2021-11-23 00:52:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:52:59,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:00,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:00,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-23 00:53:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-23 00:53:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:53:00,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:00,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2021-11-23 00:53:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2021-11-23 00:53:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:53:01,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:01,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:02,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2021-11-23 00:53:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2021-11-23 00:53:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:53:02,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:02,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2021-11-23 00:53:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2021-11-23 00:53:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:53:02,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:02,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2021-11-23 00:53:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2021-11-23 00:53:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:53:03,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:03,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:03,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2021-11-23 00:53:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2021-11-23 00:53:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:53:03,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:03,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2021-11-23 00:53:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2021-11-23 00:53:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:53:03,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:03,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2021-11-23 00:53:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2021-11-23 00:53:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:53:04,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:04,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:05,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2021-11-23 00:53:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2021-11-23 00:53:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:53:05,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:05,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:05,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2021-11-23 00:53:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2021-11-23 00:53:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:53:05,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:05,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2021-11-23 00:53:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2021-11-23 00:53:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:53:08,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:08,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2021-11-23 00:53:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2021-11-23 00:53:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:53:08,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:08,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2021-11-23 00:53:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2021-11-23 00:53:09,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:53:09,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:53:09,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2021-11-23 00:53:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2021-11-23 00:53:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:53:09,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-23 00:53:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-23 00:53:10,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:53:10,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:10,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2021-11-23 00:53:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2021-11-23 00:53:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:53:11,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:11,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2021-11-23 00:53:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2021-11-23 00:53:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:53:12,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:12,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:15,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2021-11-23 00:53:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2021-11-23 00:53:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:53:15,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:15,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-23 00:53:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-23 00:53:17,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:53:17,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:53:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-23 00:53:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-23 00:53:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:53:17,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-23 00:53:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-23 00:53:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:53:22,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:22,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 73 transitions. [2021-11-23 00:53:25,254 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2021-11-23 00:53:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:53:25,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:25,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2021-11-23 00:53:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2021-11-23 00:53:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:53:34,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:34,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2021-11-23 00:53:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2021-11-23 00:53:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:53:36,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:36,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 69 states and 110 transitions. [2021-11-23 00:53:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 110 transitions. [2021-11-23 00:53:44,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:53:44,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:44,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2021-11-23 00:53:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2021-11-23 00:53:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:53:46,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:46,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:54,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2021-11-23 00:53:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2021-11-23 00:53:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:53:54,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:54,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 89 states and 150 transitions. [2021-11-23 00:54:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 150 transitions. [2021-11-23 00:54:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:06,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:06,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 94 states and 157 transitions. [2021-11-23 00:54:11,424 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2021-11-23 00:54:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:11,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:11,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 160 transitions. [2021-11-23 00:54:13,492 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 160 transitions. [2021-11-23 00:54:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:13,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:13,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 97 states and 163 transitions. [2021-11-23 00:54:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 163 transitions. [2021-11-23 00:54:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:15,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 170 transitions. [2021-11-23 00:54:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 170 transitions. [2021-11-23 00:54:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:21,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:21,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:24,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2021-11-23 00:54:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2021-11-23 00:54:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:24,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:24,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 198 transitions. [2021-11-23 00:54:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 198 transitions. [2021-11-23 00:54:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:41,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:41,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 214 transitions. [2021-11-23 00:54:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2021-11-23 00:54:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:49,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:49,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 119 states and 217 transitions. [2021-11-23 00:54:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 217 transitions. [2021-11-23 00:54:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:51,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:51,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 230 transitions. [2021-11-23 00:54:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2021-11-23 00:54:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:54:59,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:59,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 127 states and 230 transitions. [2021-11-23 00:55:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 230 transitions. [2021-11-23 00:55:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:55:00,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:02,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2021-11-23 00:55:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-23 00:55:02,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:55:02,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:02,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:07,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:07,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 115 states and 210 transitions. [2021-11-23 00:55:07,033 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 210 transitions. [2021-11-23 00:55:07,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:55:07,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:07,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:55:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 120 states and 221 transitions. [2021-11-23 00:55:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 221 transitions. [2021-11-23 00:55:15,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:55:15,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:15,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:55:20,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 231 transitions. [2021-11-23 00:55:20,506 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 231 transitions. [2021-11-23 00:55:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:55:20,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:20,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:55:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 241 transitions. [2021-11-23 00:55:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2021-11-23 00:55:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:55:26,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:26,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 131 states and 245 transitions. [2021-11-23 00:55:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 245 transitions. [2021-11-23 00:55:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:55:29,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:29,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 142 states and 284 transitions. [2021-11-23 00:55:53,457 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 284 transitions. [2021-11-23 00:55:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:55:53,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:53,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 145 states and 295 transitions. [2021-11-23 00:55:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 295 transitions. [2021-11-23 00:55:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:55:57,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:57,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 145 states and 293 transitions. [2021-11-23 00:56:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 293 transitions. [2021-11-23 00:56:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:56:00,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 146 states and 298 transitions. [2021-11-23 00:56:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 298 transitions. [2021-11-23 00:56:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:56:01,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:01,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 147 states and 301 transitions. [2021-11-23 00:56:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 301 transitions. [2021-11-23 00:56:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:56:02,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:02,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 148 states and 303 transitions. [2021-11-23 00:56:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 303 transitions. [2021-11-23 00:56:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:56:04,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:04,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:56:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 150 states and 305 transitions. [2021-11-23 00:56:06,894 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 305 transitions. [2021-11-23 00:56:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:56:06,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:06,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 153 states and 315 transitions. [2021-11-23 00:56:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 315 transitions. [2021-11-23 00:56:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:56:12,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:12,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 156 states and 323 transitions. [2021-11-23 00:56:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 323 transitions. [2021-11-23 00:56:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:56:16,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:16,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:56:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 157 states and 323 transitions. [2021-11-23 00:56:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 323 transitions. [2021-11-23 00:56:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:56:18,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:18,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:56:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 156 states and 317 transitions. [2021-11-23 00:56:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 317 transitions. [2021-11-23 00:56:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:56:19,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:19,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:56:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 159 states and 328 transitions. [2021-11-23 00:56:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 328 transitions. [2021-11-23 00:56:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:56:25,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:25,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 168 states and 358 transitions. [2021-11-23 00:56:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 358 transitions. [2021-11-23 00:56:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:56:46,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:56:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 170 states and 360 transitions. [2021-11-23 00:56:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 360 transitions. [2021-11-23 00:56:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:56:49,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:49,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 171 states and 366 transitions. [2021-11-23 00:56:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 366 transitions. [2021-11-23 00:56:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:56:50,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:50,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 178 states and 385 transitions. [2021-11-23 00:57:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 385 transitions. [2021-11-23 00:57:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:03,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:03,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:57:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 185 states and 405 transitions. [2021-11-23 00:57:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 405 transitions. [2021-11-23 00:57:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:15,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:15,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:57:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 188 states and 412 transitions. [2021-11-23 00:57:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 412 transitions. [2021-11-23 00:57:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:20,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:20,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:57:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 190 states and 414 transitions. [2021-11-23 00:57:23,836 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 414 transitions. [2021-11-23 00:57:23,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:23,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:23,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:57:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 189 states and 407 transitions. [2021-11-23 00:57:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 407 transitions. [2021-11-23 00:57:25,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:25,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 197 states and 426 transitions. [2021-11-23 00:57:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 426 transitions. [2021-11-23 00:57:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:41,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:41,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 205 states and 449 transitions. [2021-11-23 00:57:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 449 transitions. [2021-11-23 00:57:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:59,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:59,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 216 states and 478 transitions. [2021-11-23 00:58:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 478 transitions. [2021-11-23 00:58:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:58:36,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 220 states and 485 transitions. [2021-11-23 00:58:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 485 transitions. [2021-11-23 00:58:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:58:44,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:58:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 220 states and 484 transitions. [2021-11-23 00:58:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 484 transitions. [2021-11-23 00:58:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:58:46,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:59:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 226 states and 503 transitions. [2021-11-23 00:59:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 503 transitions. [2021-11-23 00:59:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:00,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:13,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 232 states and 520 transitions. [2021-11-23 00:59:13,637 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 520 transitions. [2021-11-23 00:59:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:13,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:13,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:59:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 235 states and 527 transitions. [2021-11-23 00:59:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 527 transitions. [2021-11-23 00:59:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:20,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:20,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:59:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 237 states and 529 transitions. [2021-11-23 00:59:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 529 transitions. [2021-11-23 00:59:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:24,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:24,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:43,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 245 states and 559 transitions. [2021-11-23 00:59:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 559 transitions. [2021-11-23 00:59:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:43,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:43,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 248 states and 564 transitions. [2021-11-23 00:59:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 564 transitions. [2021-11-23 00:59:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:50,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 251 states and 570 transitions. [2021-11-23 00:59:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 570 transitions. [2021-11-23 00:59:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:57,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:57,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 260 states and 591 transitions. [2021-11-23 01:00:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 591 transitions. [2021-11-23 01:00:22,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:00:22,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:22,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:00:30,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 263 states and 599 transitions. [2021-11-23 01:00:30,028 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 599 transitions. [2021-11-23 01:00:30,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:00:30,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:30,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:00:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 266 states and 610 transitions. [2021-11-23 01:00:35,898 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 610 transitions. [2021-11-23 01:00:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:00:35,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:35,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:00:39,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 268 states and 612 transitions. [2021-11-23 01:00:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 612 transitions. [2021-11-23 01:00:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:00:39,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:39,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 274 states and 633 transitions. [2021-11-23 01:01:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 633 transitions. [2021-11-23 01:01:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:23,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:23,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 290 states and 680 transitions. [2021-11-23 01:02:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 680 transitions. [2021-11-23 01:02:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:24,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:02:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 292 states and 682 transitions. [2021-11-23 01:02:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 682 transitions. [2021-11-23 01:02:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:29,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 293 states and 692 transitions. [2021-11-23 01:02:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 692 transitions. [2021-11-23 01:02:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:32,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:39,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 296 states and 700 transitions. [2021-11-23 01:02:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 700 transitions. [2021-11-23 01:02:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:39,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:39,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:02:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 297 states and 701 transitions. [2021-11-23 01:02:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 701 transitions. [2021-11-23 01:02:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:42,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 301 states and 725 transitions. [2021-11-23 01:02:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 725 transitions. [2021-11-23 01:02:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:02:53,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 311 states and 755 transitions. [2021-11-23 01:03:22,846 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 755 transitions. [2021-11-23 01:03:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:03:22,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:22,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:03:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 311 states and 754 transitions. [2021-11-23 01:03:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 754 transitions. [2021-11-23 01:03:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:03:28,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:03:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 312 states and 758 transitions. [2021-11-23 01:03:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 758 transitions. [2021-11-23 01:03:31,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:03:31,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:03:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 317 states and 768 transitions. [2021-11-23 01:03:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 768 transitions. [2021-11-23 01:03:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:03:43,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:43,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:03:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 322 states and 778 transitions. [2021-11-23 01:03:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 778 transitions. [2021-11-23 01:03:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:03:55,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 323 states and 779 transitions. [2021-11-23 01:03:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 779 transitions. [2021-11-23 01:03:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:03:57,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:03:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 323 states and 778 transitions. [2021-11-23 01:03:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 778 transitions. [2021-11-23 01:03:59,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:03:59,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:04:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 332 states and 802 transitions. [2021-11-23 01:04:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 802 transitions. [2021-11-23 01:04:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:29,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:29,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:04:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 337 states and 814 transitions. [2021-11-23 01:04:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 814 transitions. [2021-11-23 01:04:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:44,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.