./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-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_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/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_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/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_659785e3-3ed6-4140-891a-e4efd98d17ee/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 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:51:52,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:51:52,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:51:52,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:51:52,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:51:52,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:51:52,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:51:52,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:51:52,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:51:52,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:51:52,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:51:52,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:51:52,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:51:52,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:51:52,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:51:52,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:51:52,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:51:52,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:51:52,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:51:52,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:51:52,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:51:52,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:51:52,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:51:52,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:51:52,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:51:52,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:51:52,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:51:52,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:51:52,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:51:52,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:51:52,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:51:52,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:51:52,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:51:52,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:51:52,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:51:52,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:51:52,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:51:52,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:51:52,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:51:52,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:51:52,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:51:52,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:51:52,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:51:52,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:51:52,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:51:52,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:51:52,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:51:52,776 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:51:52,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:51:52,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:51:52,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:51:52,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:51:52,777 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:51:52,777 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:51:52,777 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:51:52,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:51:52,778 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:51:52,778 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:51:52,778 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:51:52,779 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:51:52,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:51:52,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:52,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:51:52,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:51:52,780 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:51:52,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:51:52,780 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_659785e3-3ed6-4140-891a-e4efd98d17ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 [2021-11-23 00:51:53,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:51:53,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:51:53,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:51:53,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:51:53,049 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:51:53,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-23 00:51:53,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/data/0692c68f1/7e13bb7e2eaa4df1aa1c963dcb92d0d8/FLAG0725e2f8d [2021-11-23 00:51:53,654 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:51:53,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-11-23 00:51:53,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/data/0692c68f1/7e13bb7e2eaa4df1aa1c963dcb92d0d8/FLAG0725e2f8d [2021-11-23 00:51:53,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/data/0692c68f1/7e13bb7e2eaa4df1aa1c963dcb92d0d8 [2021-11-23 00:51:53,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:51:53,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:51:53,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:53,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:51:53,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:51:53,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:53" (1/1) ... [2021-11-23 00:51:53,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac93e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:53, skipping insertion in model container [2021-11-23 00:51:53,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:53" (1/1) ... [2021-11-23 00:51:53,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:51:54,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:51:54,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:54,449 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:51:54,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:54,509 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:51:54,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54 WrapperNode [2021-11-23 00:51:54,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:54,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:54,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:51:54,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:51:54,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,554 INFO L137 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-23 00:51:54,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:54,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:51:54,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:51:54,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:51:54,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:51:54,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:51:54,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:51:54,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:51:54,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:54" (1/1) ... [2021-11-23 00:51:54,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:54,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:51:54,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:51:54,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659785e3-3ed6-4140-891a-e4efd98d17ee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:51:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:51:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:51:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:51:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:51:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:51:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:51:54,787 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:51:54,789 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:51:54,965 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:51:55,016 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:51:55,017 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:51:55,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:55 BoogieIcfgContainer [2021-11-23 00:51:55,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:51:55,021 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:51:55,021 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:51:55,029 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:51:55,029 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:55" (1/1) ... [2021-11-23 00:51:55,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:51:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 00:51:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 00:51:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:51:55,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,229 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 00:51:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-23 00:51:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-23 00:51:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:51:55,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,381 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 00:51:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 00:51:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 00:51:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:51:55,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,531 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 00:51:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-23 00:51:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-23 00:51:55,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:51:55,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,825 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 00:51:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-23 00:51:55,849 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-23 00:51:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:51:55,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,994 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 00:51:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-23 00:51:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-23 00:51:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:51:56,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:56,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:56,383 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 00:51:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 00:51:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 00:51:56,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:51:56,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:56,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:56,545 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 00:51:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-23 00:51:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-23 00:51:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:51:56,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:56,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:56,821 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 00:51:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2021-11-23 00:51:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2021-11-23 00:51:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:51:57,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:57,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:57,734 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 00:51:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:58,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-11-23 00:51:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-23 00:51:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:51:58,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:58,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:58,913 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 00:51:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2021-11-23 00:51:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2021-11-23 00:51:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:51:59,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:59,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:59,367 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 00:51:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-23 00:51:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-23 00:51:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:51:59,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:59,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:00,217 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 00:52:00,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2021-11-23 00:52:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-11-23 00:52:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:52:00,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:00,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:00,926 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 00:52:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2021-11-23 00:52:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2021-11-23 00:52:01,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:52:01,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:01,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:01,854 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 00:52:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2021-11-23 00:52:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2021-11-23 00:52:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:52:03,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:03,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-23 00:52:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-23 00:52:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:52:03,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:03,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-23 00:52:05,670 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-23 00:52:05,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:52:05,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:05,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:05,690 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 00:52:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2021-11-23 00:52:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2021-11-23 00:52:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:52:06,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:06,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:06,484 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 00:52:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2021-11-23 00:52:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2021-11-23 00:52:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:52:08,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:08,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2021-11-23 00:52:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2021-11-23 00:52:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:52:08,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:08,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2021-11-23 00:52:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2021-11-23 00:52:10,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:52:10,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:10,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:10,950 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 00:52:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:12,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2021-11-23 00:52:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2021-11-23 00:52:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:52:12,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:12,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2021-11-23 00:52:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2021-11-23 00:52:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:52:14,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:14,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2021-11-23 00:52:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2021-11-23 00:52:15,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:52:15,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:15,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2021-11-23 00:52:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2021-11-23 00:52:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:52:16,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:16,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:16,818 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 00:52:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2021-11-23 00:52:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2021-11-23 00:52:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:52:17,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:17,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2021-11-23 00:52:24,913 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2021-11-23 00:52:24,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:52:24,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:24,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:24,994 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 00:52:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2021-11-23 00:52:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2021-11-23 00:52:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:52:25,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:25,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:25,731 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 00:52:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2021-11-23 00:52:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2021-11-23 00:52:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:52:28,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:28,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:33,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2021-11-23 00:52:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-23 00:52:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:52:33,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:33,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 98 transitions. [2021-11-23 00:52:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 98 transitions. [2021-11-23 00:52:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:52:34,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:34,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:35,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2021-11-23 00:52:35,717 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2021-11-23 00:52:35,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:52:35,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:35,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:52:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 65 states and 104 transitions. [2021-11-23 00:52:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 104 transitions. [2021-11-23 00:52:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:52:37,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:37,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 71 states and 118 transitions. [2021-11-23 00:52:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 118 transitions. [2021-11-23 00:52:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:52:44,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 82 states and 146 transitions. [2021-11-23 00:52:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 146 transitions. [2021-11-23 00:52:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:52:57,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:57,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,340 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 00:53:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 87 states and 161 transitions. [2021-11-23 00:53:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 161 transitions. [2021-11-23 00:53:00,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:53:00,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:00,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 93 states and 173 transitions. [2021-11-23 00:53:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 173 transitions. [2021-11-23 00:53:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:53:09,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,354 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 00:53:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 95 states and 177 transitions. [2021-11-23 00:53:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 177 transitions. [2021-11-23 00:53:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:53:11,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:11,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 101 states and 190 transitions. [2021-11-23 00:53:23,164 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2021-11-23 00:53:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:53:23,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:23,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 213 transitions. [2021-11-23 00:53:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 213 transitions. [2021-11-23 00:53:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:53:37,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:37,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2021-11-23 00:53:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2021-11-23 00:53:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:53:39,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:39,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:53:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 112 states and 222 transitions. [2021-11-23 00:53:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 222 transitions. [2021-11-23 00:53:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:53:41,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:41,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2021-11-23 00:53:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2021-11-23 00:53:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:53:47,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:47,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 129 states and 262 transitions. [2021-11-23 00:54:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 262 transitions. [2021-11-23 00:54:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:05,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:05,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 135 states and 274 transitions. [2021-11-23 00:54:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 274 transitions. [2021-11-23 00:54:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:12,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:12,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 141 states and 288 transitions. [2021-11-23 00:54:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 288 transitions. [2021-11-23 00:54:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:22,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:22,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:22,545 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 147 states and 299 transitions. [2021-11-23 00:54:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 299 transitions. [2021-11-23 00:54:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:29,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 149 states and 303 transitions. [2021-11-23 00:54:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 303 transitions. [2021-11-23 00:54:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:32,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 155 states and 316 transitions. [2021-11-23 00:54:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 316 transitions. [2021-11-23 00:54:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:50,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:50,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 157 states and 321 transitions. [2021-11-23 00:54:52,906 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 321 transitions. [2021-11-23 00:54:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:52,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:52,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 163 states and 333 transitions. [2021-11-23 00:55:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 333 transitions. [2021-11-23 00:55:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:00,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 171 states and 351 transitions. [2021-11-23 00:55:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 351 transitions. [2021-11-23 00:55:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:28,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:28,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:55:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 172 states and 351 transitions. [2021-11-23 00:55:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 351 transitions. [2021-11-23 00:55:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:29,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:29,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 178 states and 362 transitions. [2021-11-23 00:55:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 362 transitions. [2021-11-23 00:55:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:38,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:38,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:47,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 184 states and 373 transitions. [2021-11-23 00:55:47,178 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 373 transitions. [2021-11-23 00:55:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:47,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:47,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 190 states and 387 transitions. [2021-11-23 00:55:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 387 transitions. [2021-11-23 00:55:55,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:55,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:55,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:55,894 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:55:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 191 states and 387 transitions. [2021-11-23 00:55:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 387 transitions. [2021-11-23 00:55:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:57,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:57,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 193 states and 390 transitions. [2021-11-23 00:55:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 390 transitions. [2021-11-23 00:55:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:58,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:58,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:22,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 202 states and 412 transitions. [2021-11-23 00:56:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 412 transitions. [2021-11-23 00:56:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:56:22,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:22,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 210 states and 431 transitions. [2021-11-23 00:56:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 431 transitions. [2021-11-23 00:56:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:56:36,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:36,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 216 states and 443 transitions. [2021-11-23 00:56:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 443 transitions. [2021-11-23 00:56:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:56:46,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 225 states and 464 transitions. [2021-11-23 00:56:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 464 transitions. [2021-11-23 00:56:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:59,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:59,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 231 states and 478 transitions. [2021-11-23 00:57:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 478 transitions. [2021-11-23 00:57:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:14,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:14,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 237 states and 489 transitions. [2021-11-23 00:57:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 489 transitions. [2021-11-23 00:57:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:25,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:28,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 240 states and 495 transitions. [2021-11-23 00:57:28,633 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 495 transitions. [2021-11-23 00:57:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:28,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:28,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 246 states and 506 transitions. [2021-11-23 00:57:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 506 transitions. [2021-11-23 00:57:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:39,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:39,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 252 states and 520 transitions. [2021-11-23 00:57:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 520 transitions. [2021-11-23 00:57:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:49,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:49,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 254 states and 524 transitions. [2021-11-23 00:57:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 524 transitions. [2021-11-23 00:57:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:57:53,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:53,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 260 states and 537 transitions. [2021-11-23 00:58:24,913 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 537 transitions. [2021-11-23 00:58:24,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:58:24,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 268 states and 559 transitions. [2021-11-23 00:58:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 559 transitions. [2021-11-23 00:58:39,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:58:39,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 274 states and 570 transitions. [2021-11-23 00:58:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 570 transitions. [2021-11-23 00:58:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:58:51,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 280 states and 582 transitions. [2021-11-23 00:59:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 582 transitions. [2021-11-23 00:59:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:59:03,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 283 states and 592 transitions. [2021-11-23 00:59:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 592 transitions. [2021-11-23 00:59:07,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:59:07,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 289 states and 603 transitions. [2021-11-23 00:59:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 603 transitions. [2021-11-23 00:59:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:59:50,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 295 states and 614 transitions. [2021-11-23 01:00:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 614 transitions. [2021-11-23 01:00:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:00:03,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:03,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 301 states and 628 transitions. [2021-11-23 01:00:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 628 transitions. [2021-11-23 01:00:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:00:15,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:15,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 307 states and 639 transitions. [2021-11-23 01:00:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 639 transitions. [2021-11-23 01:00:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:00:28,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:28,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 313 states and 650 transitions. [2021-11-23 01:00:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 650 transitions. [2021-11-23 01:00:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:00:40,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:40,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 321 states and 667 transitions. [2021-11-23 01:00:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 667 transitions. [2021-11-23 01:00:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:00:56,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:56,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 327 states and 682 transitions. [2021-11-23 01:01:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 682 transitions. [2021-11-23 01:01:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:01:09,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:09,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 330 states and 693 transitions. [2021-11-23 01:01:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 693 transitions. [2021-11-23 01:01:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:01:13,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:13,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 339 states and 719 transitions. [2021-11-23 01:01:31,155 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 719 transitions. [2021-11-23 01:01:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:01:31,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:31,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 341 states and 724 transitions. [2021-11-23 01:01:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 724 transitions. [2021-11-23 01:01:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:01:35,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:35,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 350 states and 754 transitions. [2021-11-23 01:02:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 754 transitions. [2021-11-23 01:02:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:02:17,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:17,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 356 states and 766 transitions. [2021-11-23 01:02:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 766 transitions. [2021-11-23 01:02:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:02:32,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 365 states and 789 transitions. [2021-11-23 01:02:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 789 transitions. [2021-11-23 01:02:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:02:52,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 371 states and 801 transitions. [2021-11-23 01:03:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 801 transitions. [2021-11-23 01:03:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:03:08,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:08,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 374 states and 807 transitions. [2021-11-23 01:03:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 807 transitions. [2021-11-23 01:03:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:03:14,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 380 states and 819 transitions. [2021-11-23 01:03:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 819 transitions. [2021-11-23 01:03:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:03:30,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 388 states and 838 transitions. [2021-11-23 01:03:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 838 transitions. [2021-11-23 01:03:48,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:03:48,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.