./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-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_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/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_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/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_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/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 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:26,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:26,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:26,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:26,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:26,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:26,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:26,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:26,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:26,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:26,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:26,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:26,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:26,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:26,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:26,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:26,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:26,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:26,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:26,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:26,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:26,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:26,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:26,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:26,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:26,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:26,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:26,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:26,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:26,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:26,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:26,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:26,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:26,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:26,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:26,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:26,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:26,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:26,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:26,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:26,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:26,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:28:26,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:26,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:26,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:26,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:26,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:26,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:26,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:28:26,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:26,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:26,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:26,615 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:28:26,615 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:28:26,615 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:28:26,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:26,616 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:26,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:26,616 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:26,616 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:26,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:26,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:26,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:26,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:26,617 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:26,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:26,618 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_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 [2021-11-23 00:28:26,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:26,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:26,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:26,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:26,925 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:26,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2021-11-23 00:28:27,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/data/358689a1c/8f0ee0ef5446493b9bf53f1c597932b5/FLAG8839705d5 [2021-11-23 00:28:27,627 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:27,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2021-11-23 00:28:27,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/data/358689a1c/8f0ee0ef5446493b9bf53f1c597932b5/FLAG8839705d5 [2021-11-23 00:28:27,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/data/358689a1c/8f0ee0ef5446493b9bf53f1c597932b5 [2021-11-23 00:28:27,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:27,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:27,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:27,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:27,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:27,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:27" (1/1) ... [2021-11-23 00:28:27,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7ed443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:27, skipping insertion in model container [2021-11-23 00:28:27,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:27" (1/1) ... [2021-11-23 00:28:27,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:28,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:28,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:28,374 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:28,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:28,455 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:28,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28 WrapperNode [2021-11-23 00:28:28,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:28,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:28,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:28,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:28,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,506 INFO L137 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2021-11-23 00:28:28,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:28,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:28,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:28,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:28,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:28,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:28,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:28,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:28,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:28" (1/1) ... [2021-11-23 00:28:28,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:28,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:28,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:28,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd22d5-7374-4abe-8bfe-21537cfbc94b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:28:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:28:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:28,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:28,720 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:28,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:28,952 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:29,048 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:29,051 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:28:29,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:29 BoogieIcfgContainer [2021-11-23 00:28:29,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:29,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:29,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:29,065 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:29,065 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2021-11-23 00:28:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2021-11-23 00:28:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:28:29,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:29,352 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 00:28:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2021-11-23 00:28:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2021-11-23 00:28:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:28:29,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:29,547 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 00:28:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2021-11-23 00:28:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2021-11-23 00:28:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:28:29,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:29,741 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 00:28:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2021-11-23 00:28:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-23 00:28:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:28:29,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,069 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 00:28:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2021-11-23 00:28:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2021-11-23 00:28:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:28:30,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:30,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,400 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 00:28:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2021-11-23 00:28:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2021-11-23 00:28:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:28:30,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:30,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,955 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 00:28:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2021-11-23 00:28:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2021-11-23 00:28:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:28:31,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:31,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:31,200 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 00:28:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2021-11-23 00:28:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2021-11-23 00:28:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:28:31,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:31,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:31,769 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 00:28:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 69 transitions. [2021-11-23 00:28:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2021-11-23 00:28:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:32,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:32,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:32,491 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 00:28:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2021-11-23 00:28:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2021-11-23 00:28:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:32,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:32,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:32,862 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 00:28:33,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2021-11-23 00:28:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2021-11-23 00:28:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:33,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:33,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:33,707 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 00:28:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2021-11-23 00:28:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2021-11-23 00:28:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:35,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:35,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:35,755 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 00:28:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 71 transitions. [2021-11-23 00:28:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2021-11-23 00:28:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:36,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:36,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:36,208 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 00:28:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2021-11-23 00:28:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2021-11-23 00:28:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:36,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:36,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:36,686 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 00:28:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2021-11-23 00:28:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2021-11-23 00:28:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:38,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:38,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2021-11-23 00:28:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2021-11-23 00:28:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:39,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:39,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:39,551 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 00:28:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2021-11-23 00:28:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2021-11-23 00:28:39,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:39,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:39,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:39,981 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 00:28:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2021-11-23 00:28:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2021-11-23 00:28:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:40,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:40,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2021-11-23 00:28:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2021-11-23 00:28:43,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:28:43,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:43,033 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 00:28:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2021-11-23 00:28:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-11-23 00:28:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:28:43,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:43,652 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 00:28:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2021-11-23 00:28:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2021-11-23 00:28:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:28:44,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:44,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:44,582 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 00:28:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2021-11-23 00:28:46,066 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2021-11-23 00:28:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:28:46,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:46,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2021-11-23 00:28:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2021-11-23 00:28:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:28:47,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:47,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2021-11-23 00:28:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2021-11-23 00:28:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:28:53,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:53,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 62 states and 103 transitions. [2021-11-23 00:28:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 103 transitions. [2021-11-23 00:28:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:28:54,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,051 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 00:28:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2021-11-23 00:28:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2021-11-23 00:28:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:59,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 117 transitions. [2021-11-23 00:28:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2021-11-23 00:28:59,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:59,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,539 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 00:29:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 73 states and 133 transitions. [2021-11-23 00:29:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 133 transitions. [2021-11-23 00:29:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:05,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:05,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 76 states and 137 transitions. [2021-11-23 00:29:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 137 transitions. [2021-11-23 00:29:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:11,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:11,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:29:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 77 states and 142 transitions. [2021-11-23 00:29:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 142 transitions. [2021-11-23 00:29:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:12,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:12,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:15,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 153 transitions. [2021-11-23 00:29:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 153 transitions. [2021-11-23 00:29:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:15,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:15,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:16,025 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 00:29:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 160 transitions. [2021-11-23 00:29:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2021-11-23 00:29:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:17,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:17,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:18,398 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 00:29:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 88 states and 168 transitions. [2021-11-23 00:29:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2021-11-23 00:29:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:20,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:20,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:20,936 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 00:29:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 93 states and 179 transitions. [2021-11-23 00:29:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2021-11-23 00:29:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:24,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:24,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:24,379 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 00:29:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 96 states and 184 transitions. [2021-11-23 00:29:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 184 transitions. [2021-11-23 00:29:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:25,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:25,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,440 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 00:29:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 99 states and 190 transitions. [2021-11-23 00:29:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 190 transitions. [2021-11-23 00:29:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:28,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 106 states and 207 transitions. [2021-11-23 00:29:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2021-11-23 00:29:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:38,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:38,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:40,251 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 107 states and 208 transitions. [2021-11-23 00:29:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 208 transitions. [2021-11-23 00:29:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:42,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:42,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:42,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:29:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 109 states and 214 transitions. [2021-11-23 00:29:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 214 transitions. [2021-11-23 00:29:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:45,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:45,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 117 states and 240 transitions. [2021-11-23 00:29:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 240 transitions. [2021-11-23 00:29:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:56,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:56,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:29:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 118 states and 241 transitions. [2021-11-23 00:29:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 241 transitions. [2021-11-23 00:29:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:57,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:57,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:29:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 119 states and 241 transitions. [2021-11-23 00:29:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 241 transitions. [2021-11-23 00:29:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:59,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:59,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:30:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 245 transitions. [2021-11-23 00:30:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2021-11-23 00:30:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:30:01,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:01,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:30:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 120 states and 238 transitions. [2021-11-23 00:30:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 238 transitions. [2021-11-23 00:30:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:30:03,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:03,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 127 states and 259 transitions. [2021-11-23 00:30:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 259 transitions. [2021-11-23 00:30:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:30:14,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:14,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:30:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 128 states and 261 transitions. [2021-11-23 00:30:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 261 transitions. [2021-11-23 00:30:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:30:16,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:16,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:16,817 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 00:30:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 130 states and 266 transitions. [2021-11-23 00:30:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 266 transitions. [2021-11-23 00:30:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:30:16,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:16,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:16,855 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 00:30:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 131 states and 267 transitions. [2021-11-23 00:30:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 267 transitions. [2021-11-23 00:30:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:17,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:17,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 83 states and 142 transitions. [2021-11-23 00:30:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 142 transitions. [2021-11-23 00:30:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:24,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:24,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:24,441 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 00:30:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 147 transitions. [2021-11-23 00:30:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 147 transitions. [2021-11-23 00:30:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:25,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:25,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:25,661 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 00:30:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 150 transitions. [2021-11-23 00:30:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 150 transitions. [2021-11-23 00:30:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:27,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:27,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:27,063 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 00:30:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 93 states and 165 transitions. [2021-11-23 00:30:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 165 transitions. [2021-11-23 00:30:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:29,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:29,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:29,435 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 00:30:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 95 states and 170 transitions. [2021-11-23 00:30:30,147 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 170 transitions. [2021-11-23 00:30:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:30:30,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:30,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:30:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 174 transitions. [2021-11-23 00:30:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 174 transitions. [2021-11-23 00:30:33,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:30:33,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:33,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 108 states and 195 transitions. [2021-11-23 00:30:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 195 transitions. [2021-11-23 00:30:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:30:59,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:59,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:31:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:02,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 196 transitions. [2021-11-23 00:31:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 196 transitions. [2021-11-23 00:31:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:31:02,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:02,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 110 states and 198 transitions. [2021-11-23 00:31:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 198 transitions. [2021-11-23 00:31:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:31:04,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:04,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:05,004 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 00:31:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 123 states and 230 transitions. [2021-11-23 00:31:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 230 transitions. [2021-11-23 00:31:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:31:25,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:25,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:50,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:50,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 135 states and 255 transitions. [2021-11-23 00:31:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 255 transitions. [2021-11-23 00:31:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:31:50,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:50,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:31:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 130 states and 234 transitions. [2021-11-23 00:31:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 234 transitions. [2021-11-23 00:31:54,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:31:54,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,494 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 00:32:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 248 transitions. [2021-11-23 00:32:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2021-11-23 00:32:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:16,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:16,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:16,532 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 00:32:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:19,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 139 states and 251 transitions. [2021-11-23 00:32:19,028 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 251 transitions. [2021-11-23 00:32:19,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:19,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:19,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 266 transitions. [2021-11-23 00:32:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2021-11-23 00:32:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:37,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:37,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:38,201 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 00:32:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 283 transitions. [2021-11-23 00:32:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 283 transitions. [2021-11-23 00:32:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:53,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:53,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:32:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 155 states and 282 transitions. [2021-11-23 00:32:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 282 transitions. [2021-11-23 00:32:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:54,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:54,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:32:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2021-11-23 00:32:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2021-11-23 00:32:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:54,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:54,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 156 states and 282 transitions. [2021-11-23 00:33:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 282 transitions. [2021-11-23 00:33:00,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:33:00,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:00,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:00,417 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 00:33:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 156 states and 281 transitions. [2021-11-23 00:33:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 281 transitions. [2021-11-23 00:33:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:33:02,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:02,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:02,634 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 00:33:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 159 states and 286 transitions. [2021-11-23 00:33:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 286 transitions. [2021-11-23 00:33:08,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:33:08,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:08,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:08,281 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 00:33:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 160 states and 288 transitions. [2021-11-23 00:33:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 288 transitions. [2021-11-23 00:33:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:33:10,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:10,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:33:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 163 states and 290 transitions. [2021-11-23 00:33:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 290 transitions. [2021-11-23 00:33:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:33:25,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:25,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:28,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 167 states and 296 transitions. [2021-11-23 00:33:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 296 transitions. [2021-11-23 00:33:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:28,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:28,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:33:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 169 states and 300 transitions. [2021-11-23 00:33:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 300 transitions. [2021-11-23 00:33:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:32,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:32,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:33:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 278 transitions. [2021-11-23 00:33:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 278 transitions. [2021-11-23 00:33:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:34,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:34,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:33:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 163 states and 290 transitions. [2021-11-23 00:33:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 290 transitions. [2021-11-23 00:33:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:42,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:42,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:33:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 164 states and 292 transitions. [2021-11-23 00:33:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2021-11-23 00:33:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:44,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:44,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:33:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 163 states and 290 transitions. [2021-11-23 00:33:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 290 transitions. [2021-11-23 00:33:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:47,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:47,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:33:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 162 states and 286 transitions. [2021-11-23 00:33:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2021-11-23 00:33:51,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:51,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:51,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:34:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 176 states and 322 transitions. [2021-11-23 00:34:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 322 transitions. [2021-11-23 00:34:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:34:41,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:41,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:34:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:44,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 177 states and 323 transitions. [2021-11-23 00:34:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 323 transitions. [2021-11-23 00:34:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:34:44,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:44,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:44,173 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 00:35:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 188 states and 349 transitions. [2021-11-23 00:35:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 349 transitions. [2021-11-23 00:35:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:05,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:05,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:49,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 202 states and 382 transitions. [2021-11-23 00:35:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 382 transitions. [2021-11-23 00:35:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:49,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:49,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 200 states and 376 transitions. [2021-11-23 00:35:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 376 transitions. [2021-11-23 00:35:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:35:55,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:36:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 199 states and 374 transitions. [2021-11-23 00:36:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 374 transitions. [2021-11-23 00:36:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:36:00,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 202 states and 383 transitions. [2021-11-23 00:36:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 383 transitions. [2021-11-23 00:36:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:36:11,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 203 states and 385 transitions. [2021-11-23 00:36:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 385 transitions. [2021-11-23 00:36:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:36:14,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:36:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 212 states and 405 transitions. [2021-11-23 00:36:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 405 transitions. [2021-11-23 00:36:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:36:46,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:46,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:36:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 212 states and 403 transitions. [2021-11-23 00:36:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 403 transitions. [2021-11-23 00:36:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:36:54,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:54,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:54,893 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 00:37:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 222 states and 420 transitions. [2021-11-23 00:37:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 420 transitions. [2021-11-23 00:37:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:18,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:18,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:37:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 223 states and 420 transitions. [2021-11-23 00:37:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 420 transitions. [2021-11-23 00:37:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:21,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:21,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:37:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 224 states and 420 transitions. [2021-11-23 00:37:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 420 transitions. [2021-11-23 00:37:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:23,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:23,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:37:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 226 states and 422 transitions. [2021-11-23 00:37:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 422 transitions. [2021-11-23 00:37:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:28,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 228 states and 424 transitions. [2021-11-23 00:37:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 424 transitions. [2021-11-23 00:37:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:37:33,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 234 states and 444 transitions. [2021-11-23 00:38:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 444 transitions. [2021-11-23 00:38:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:03,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:03,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:38:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 240 states and 458 transitions. [2021-11-23 00:38:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 458 transitions. [2021-11-23 00:38:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:38:42,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:42,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:39:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 250 states and 476 transitions. [2021-11-23 00:39:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 476 transitions. [2021-11-23 00:39:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:39:08,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:08,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:39:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 250 states and 475 transitions. [2021-11-23 00:39:14,475 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 475 transitions. [2021-11-23 00:39:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:39:14,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:14,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 246 states and 450 transitions. [2021-11-23 00:39:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 450 transitions. [2021-11-23 00:39:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:39:20,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:20,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:39:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:44,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 254 states and 467 transitions. [2021-11-23 00:39:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 467 transitions. [2021-11-23 00:39:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:39:44,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:44,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:39:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 256 states and 470 transitions. [2021-11-23 00:39:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 470 transitions. [2021-11-23 00:39:50,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:39:50,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:50,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:40:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:05,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 261 states and 480 transitions. [2021-11-23 00:40:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 480 transitions. [2021-11-23 00:40:05,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:40:05,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:05,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.