./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:39:41,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:39:41,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:39:41,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:39:41,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:39:41,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:39:41,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:39:41,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:39:41,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:39:41,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:39:41,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:39:41,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:39:41,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:39:41,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:39:41,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:39:41,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:39:41,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:39:41,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:39:41,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:39:41,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:39:41,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:39:41,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:39:41,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:39:41,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:39:41,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:39:41,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:39:41,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:39:41,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:39:41,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:39:41,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:39:41,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:39:41,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:39:41,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:39:41,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:39:41,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:39:41,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:39:41,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:39:41,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:39:41,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:39:41,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:39:41,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:39:41,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 04:39:41,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:39:41,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:39:41,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:39:41,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:39:41,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:39:41,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:39:41,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:39:41,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:39:41,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:39:41,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:39:41,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:39:41,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:39:41,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:39:41,877 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:39:41,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:39:41,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:39:41,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:39:41,878 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:39:41,878 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:39:41,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:39:41,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:39:41,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:39:41,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:39:41,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:39:41,880 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:39:41,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:39:41,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:39:41,881 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_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 [2021-11-21 04:39:42,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:39:42,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:39:42,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:39:42,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:39:42,263 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:39:42,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2021-11-21 04:39:42,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/data/ea4e6ef5e/857d07bc20c04a58ae060d5f8babf1fd/FLAGa69fc4f15 [2021-11-21 04:39:42,860 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:39:42,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2021-11-21 04:39:42,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/data/ea4e6ef5e/857d07bc20c04a58ae060d5f8babf1fd/FLAGa69fc4f15 [2021-11-21 04:39:43,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/data/ea4e6ef5e/857d07bc20c04a58ae060d5f8babf1fd [2021-11-21 04:39:43,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:39:43,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:39:43,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:39:43,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:39:43,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:39:43,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636e6b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43, skipping insertion in model container [2021-11-21 04:39:43,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:39:43,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:39:43,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:39:43,492 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:39:43,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:39:43,544 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:39:43,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43 WrapperNode [2021-11-21 04:39:43,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:39:43,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:39:43,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:39:43,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:39:43,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,588 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2021-11-21 04:39:43,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:39:43,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:39:43,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:39:43,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:39:43,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:39:43,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:39:43,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:39:43,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:39:43,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:39:43" (1/1) ... [2021-11-21 04:39:43,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:39:43,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:39:43,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:39:43,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccd4ca-ff2d-46a6-855a-95930f7502ac/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:39:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:39:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:39:43,829 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:39:43,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:39:44,015 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:39:44,048 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:39:44,051 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:39:44,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:39:44 BoogieIcfgContainer [2021-11-21 04:39:44,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:39:44,056 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:39:44,056 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:39:44,069 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:39:44,069 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:39:44" (1/1) ... [2021-11-21 04:39:44,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:39:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-21 04:39:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-21 04:39:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:39:44,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:44,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:39:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-21 04:39:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-21 04:39:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:39:44,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:44,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:39:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-21 04:39:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-21 04:39:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:39:44,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:44,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:39:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-11-21 04:39:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-11-21 04:39:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:39:45,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:45,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:39:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2021-11-21 04:39:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-11-21 04:39:46,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:39:46,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:46,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:39:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2021-11-21 04:39:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2021-11-21 04:39:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:39:46,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:46,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:39:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2021-11-21 04:39:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2021-11-21 04:39:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:39:47,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:47,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:39:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2021-11-21 04:39:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-21 04:39:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:39:48,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:48,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:39:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2021-11-21 04:39:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2021-11-21 04:39:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:39:49,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:49,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:39:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2021-11-21 04:39:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2021-11-21 04:39:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:39:50,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:50,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:39:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2021-11-21 04:39:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2021-11-21 04:39:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:39:51,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:51,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:39:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2021-11-21 04:39:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2021-11-21 04:39:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:39:52,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:52,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:39:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 57 states and 86 transitions. [2021-11-21 04:39:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2021-11-21 04:39:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:39:53,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:53,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:39:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2021-11-21 04:39:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2021-11-21 04:39:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 04:39:53,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:53,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:39:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2021-11-21 04:39:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2021-11-21 04:39:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:39:54,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:54,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:39:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 103 transitions. [2021-11-21 04:39:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2021-11-21 04:39:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:39:56,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:56,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:39:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2021-11-21 04:39:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2021-11-21 04:39:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:39:59,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:59,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:40:03,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 143 transitions. [2021-11-21 04:40:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2021-11-21 04:40:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:40:03,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:03,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:40:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 98 states and 150 transitions. [2021-11-21 04:40:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2021-11-21 04:40:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:40:06,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:06,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 04:40:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2021-11-21 04:40:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2021-11-21 04:40:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:40:07,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-21 04:40:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 103 states and 154 transitions. [2021-11-21 04:40:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 154 transitions. [2021-11-21 04:40:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:08,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-21 04:40:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 102 states and 152 transitions. [2021-11-21 04:40:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2021-11-21 04:40:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:40:09,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:40:12,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:12,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 105 states and 159 transitions. [2021-11-21 04:40:12,887 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 159 transitions. [2021-11-21 04:40:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:40:12,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:12,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:40:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 116 states and 188 transitions. [2021-11-21 04:40:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 188 transitions. [2021-11-21 04:40:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:40:17,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:17,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 04:40:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 122 states and 199 transitions. [2021-11-21 04:40:19,691 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 199 transitions. [2021-11-21 04:40:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:40:19,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:19,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 47 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:40:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 129 states and 207 transitions. [2021-11-21 04:40:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 207 transitions. [2021-11-21 04:40:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:40:22,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:22,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 04:40:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 126 states and 200 transitions. [2021-11-21 04:40:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2021-11-21 04:40:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:40:24,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:24,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:40:29,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:29,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 215 transitions. [2021-11-21 04:40:29,366 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2021-11-21 04:40:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:40:29,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:29,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:40:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2021-11-21 04:40:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2021-11-21 04:40:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:40:29,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:29,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 68 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 04:40:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 141 states and 218 transitions. [2021-11-21 04:40:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 218 transitions. [2021-11-21 04:40:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 04:40:31,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:31,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 80 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:40:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 144 states and 222 transitions. [2021-11-21 04:40:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 222 transitions. [2021-11-21 04:40:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 04:40:32,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:32,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:40:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 155 states and 253 transitions. [2021-11-21 04:40:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 253 transitions. [2021-11-21 04:40:38,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 04:40:38,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:38,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:40:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 156 states and 253 transitions. [2021-11-21 04:40:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 253 transitions. [2021-11-21 04:40:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:40:39,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:39,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 30 proven. 64 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:40:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:43,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 163 states and 262 transitions. [2021-11-21 04:40:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 262 transitions. [2021-11-21 04:40:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 04:40:43,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:43,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 04:40:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 166 states and 269 transitions. [2021-11-21 04:40:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 269 transitions. [2021-11-21 04:40:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 04:40:45,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:45,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 61 proven. 19 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-21 04:40:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 176 states and 284 transitions. [2021-11-21 04:40:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 284 transitions. [2021-11-21 04:40:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:40:49,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:49,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:40:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 179 states and 286 transitions. [2021-11-21 04:40:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 286 transitions. [2021-11-21 04:40:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 04:40:51,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:51,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-21 04:40:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 195 states and 315 transitions. [2021-11-21 04:40:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 315 transitions. [2021-11-21 04:40:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 04:40:59,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:59,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 04:41:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 198 states and 317 transitions. [2021-11-21 04:41:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 317 transitions. [2021-11-21 04:41:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 04:41:01,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:01,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 18 proven. 112 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:41:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:06,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 205 states and 327 transitions. [2021-11-21 04:41:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 327 transitions. [2021-11-21 04:41:06,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:41:06,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:06,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:07,127 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 04:41:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 216 states and 364 transitions. [2021-11-21 04:41:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 364 transitions. [2021-11-21 04:41:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:41:13,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:13,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 04:41:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 217 states and 364 transitions. [2021-11-21 04:41:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 364 transitions. [2021-11-21 04:41:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 04:41:14,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:14,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 04:41:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions. [2021-11-21 04:41:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions. [2021-11-21 04:41:19,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:41:19,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:19,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:41:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:21,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 229 states and 374 transitions. [2021-11-21 04:41:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 374 transitions. [2021-11-21 04:41:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:41:21,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:21,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 04:41:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 232 states and 376 transitions. [2021-11-21 04:41:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 376 transitions. [2021-11-21 04:41:23,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:41:23,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:23,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:41:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:24,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 235 states and 380 transitions. [2021-11-21 04:41:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 380 transitions. [2021-11-21 04:41:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 04:41:24,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:24,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 81 proven. 19 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-21 04:41:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 245 states and 395 transitions. [2021-11-21 04:41:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 395 transitions. [2021-11-21 04:41:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:41:29,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:29,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 10 proven. 175 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:41:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 251 states and 401 transitions. [2021-11-21 04:41:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 401 transitions. [2021-11-21 04:41:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:41:33,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:33,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:41:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 267 states and 433 transitions. [2021-11-21 04:41:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 433 transitions. [2021-11-21 04:41:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:41:45,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:45,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 19 proven. 163 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:41:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 270 states and 439 transitions. [2021-11-21 04:41:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 439 transitions. [2021-11-21 04:41:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:41:47,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:47,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:41:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 281 states and 479 transitions. [2021-11-21 04:41:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 479 transitions. [2021-11-21 04:41:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:41:57,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:57,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:41:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 282 states and 479 transitions. [2021-11-21 04:41:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 479 transitions. [2021-11-21 04:41:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:41:57,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:57,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 42 proven. 173 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:42:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 289 states and 486 transitions. [2021-11-21 04:42:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 486 transitions. [2021-11-21 04:42:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:42:06,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:06,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 189 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:42:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 295 states and 491 transitions. [2021-11-21 04:42:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 491 transitions. [2021-11-21 04:42:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:42:09,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 101 proven. 19 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-21 04:42:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 305 states and 507 transitions. [2021-11-21 04:42:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 507 transitions. [2021-11-21 04:42:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:42:15,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:15,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:42:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 311 states and 529 transitions. [2021-11-21 04:42:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 529 transitions. [2021-11-21 04:42:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 04:42:21,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:21,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-21 04:42:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 328 states and 553 transitions. [2021-11-21 04:42:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 553 transitions. [2021-11-21 04:42:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 04:42:32,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:32,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 17 proven. 233 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:42:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 341 states and 571 transitions. [2021-11-21 04:42:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 571 transitions. [2021-11-21 04:42:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:42:41,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:41,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 58 proven. 191 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:42:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 344 states and 574 transitions. [2021-11-21 04:42:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 574 transitions. [2021-11-21 04:42:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:42:49,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:49,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:43:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:00,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 355 states and 617 transitions. [2021-11-21 04:43:00,816 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 617 transitions. [2021-11-21 04:43:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:43:00,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:00,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:43:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 356 states and 617 transitions. [2021-11-21 04:43:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 617 transitions. [2021-11-21 04:43:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 04:43:01,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:01,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 49 proven. 231 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:43:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 379 states and 646 transitions. [2021-11-21 04:43:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 646 transitions. [2021-11-21 04:43:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:43:16,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:16,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 40 proven. 234 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:43:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 389 states and 660 transitions. [2021-11-21 04:43:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 660 transitions. [2021-11-21 04:43:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:43:24,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:24,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 17 proven. 271 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:43:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 392 states and 665 transitions. [2021-11-21 04:43:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 665 transitions. [2021-11-21 04:43:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:43:34,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 73 proven. 204 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:43:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 395 states and 671 transitions. [2021-11-21 04:43:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 671 transitions. [2021-11-21 04:43:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 04:43:36,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:36,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 121 proven. 19 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-21 04:43:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 405 states and 682 transitions. [2021-11-21 04:43:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 682 transitions. [2021-11-21 04:43:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 04:43:43,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 50 proven. 263 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-21 04:43:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 408 states and 683 transitions. [2021-11-21 04:43:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 683 transitions. [2021-11-21 04:43:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 04:43:48,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:48,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 88 proven. 231 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:43:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 411 states and 688 transitions. [2021-11-21 04:43:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 688 transitions. [2021-11-21 04:43:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 04:43:50,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:50,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:44:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 418 states and 725 transitions. [2021-11-21 04:44:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 725 transitions. [2021-11-21 04:44:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 04:44:02,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:02,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 17 proven. 312 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:44:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:15,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 421 states and 728 transitions. [2021-11-21 04:44:15,309 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 728 transitions. [2021-11-21 04:44:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:44:15,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:15,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 167 proven. 43 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 04:44:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 438 states and 754 transitions. [2021-11-21 04:44:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 754 transitions. [2021-11-21 04:44:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:44:33,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:33,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 34 proven. 286 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 04:44:41,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 444 states and 760 transitions. [2021-11-21 04:44:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 760 transitions. [2021-11-21 04:44:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:44:41,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:41,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 34 proven. 286 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 04:44:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 447 states and 768 transitions. [2021-11-21 04:44:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 768 transitions. [2021-11-21 04:44:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:44:48,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:48,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-21 04:44:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:44:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 447 states and 765 transitions. [2021-11-21 04:44:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 765 transitions. [2021-11-21 04:44:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:44:52,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:44:52,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:44:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:44:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:45:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 454 states and 778 transitions. [2021-11-21 04:45:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 778 transitions. [2021-11-21 04:45:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:45:03,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:03,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:03,659 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-21 04:45:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 457 states and 781 transitions. [2021-11-21 04:45:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 781 transitions. [2021-11-21 04:45:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:45:06,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:06,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:45:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 458 states and 782 transitions. [2021-11-21 04:45:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 782 transitions. [2021-11-21 04:45:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 04:45:07,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:07,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 34 proven. 328 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 04:45:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 461 states and 785 transitions. [2021-11-21 04:45:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 785 transitions. [2021-11-21 04:45:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 04:45:09,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:09,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 41 proven. 307 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:45:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 474 states and 809 transitions. [2021-11-21 04:45:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 809 transitions. [2021-11-21 04:45:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 04:45:21,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:21,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 34 proven. 328 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 04:45:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 480 states and 819 transitions. [2021-11-21 04:45:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 819 transitions. [2021-11-21 04:45:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 04:45:28,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:28,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 34 proven. 328 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 04:45:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 480 states and 814 transitions. [2021-11-21 04:45:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 814 transitions. [2021-11-21 04:45:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:45:31,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:31,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-21 04:45:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 477 states and 806 transitions. [2021-11-21 04:45:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 806 transitions. [2021-11-21 04:45:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:45:34,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:34,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-21 04:45:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 477 states and 803 transitions. [2021-11-21 04:45:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 803 transitions. [2021-11-21 04:45:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:45:37,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:37,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-21 04:45:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 480 states and 808 transitions. [2021-11-21 04:45:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 808 transitions. [2021-11-21 04:45:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 04:45:40,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:40,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 66 proven. 326 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:46:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 496 states and 840 transitions. [2021-11-21 04:46:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 840 transitions. [2021-11-21 04:46:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 04:46:03,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:03,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 66 proven. 326 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 04:46:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 506 states and 854 transitions. [2021-11-21 04:46:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 854 transitions. [2021-11-21 04:46:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 04:46:11,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:11,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 173 proven. 221 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:46:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 516 states and 872 transitions. [2021-11-21 04:46:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 872 transitions. [2021-11-21 04:46:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 04:46:29,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:29,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 34 proven. 373 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 04:46:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 516 states and 871 transitions. [2021-11-21 04:46:40,675 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 871 transitions. [2021-11-21 04:46:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-21 04:46:40,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:40,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-21 04:46:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 513 states and 860 transitions. [2021-11-21 04:46:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 860 transitions. [2021-11-21 04:46:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 04:46:45,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:45,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 04:46:57,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:46:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 520 states and 874 transitions. [2021-11-21 04:46:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 874 transitions. [2021-11-21 04:46:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 04:46:57,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:46:57,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:46:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:46:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 04:47:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 526 states and 886 transitions. [2021-11-21 04:47:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 886 transitions. [2021-11-21 04:47:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 04:47:04,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:04,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 129 proven. 314 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:47:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 539 states and 899 transitions. [2021-11-21 04:47:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 899 transitions. [2021-11-21 04:47:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 04:47:21,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:21,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 04:47:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 540 states and 900 transitions. [2021-11-21 04:47:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 900 transitions. [2021-11-21 04:47:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 04:47:22,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:22,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 69 proven. 432 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-21 04:47:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 549 states and 912 transitions. [2021-11-21 04:47:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 912 transitions. [2021-11-21 04:47:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 04:47:36,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:36,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 219 proven. 158 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-21 04:47:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:47:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 559 states and 924 transitions. [2021-11-21 04:47:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 924 transitions. [2021-11-21 04:47:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 04:47:55,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:47:55,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:47:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:47:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 341 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-21 04:48:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 568 states and 934 transitions. [2021-11-21 04:48:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 934 transitions. [2021-11-21 04:48:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 04:48:07,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:07,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 70 proven. 361 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:48:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 571 states and 941 transitions. [2021-11-21 04:48:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 941 transitions. [2021-11-21 04:48:10,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 04:48:10,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:10,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-21 04:48:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 584 states and 963 transitions. [2021-11-21 04:48:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 963 transitions. [2021-11-21 04:48:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 04:48:32,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:32,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:48:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 588 states and 972 transitions. [2021-11-21 04:48:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 972 transitions. [2021-11-21 04:48:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 04:48:35,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:35,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 17 proven. 445 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 04:48:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 594 states and 976 transitions. [2021-11-21 04:48:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 976 transitions. [2021-11-21 04:48:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 04:48:45,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:45,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-21 04:48:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 597 states and 979 transitions. [2021-11-21 04:48:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 979 transitions. [2021-11-21 04:48:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 04:48:47,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:47,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 205 proven. 244 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-21 04:48:53,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 598 states and 981 transitions. [2021-11-21 04:48:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 981 transitions. [2021-11-21 04:48:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 04:48:53,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:53,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 302 proven. 139 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-21 04:48:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 601 states and 983 transitions. [2021-11-21 04:48:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 983 transitions. [2021-11-21 04:48:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 04:48:56,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:56,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 70 proven. 410 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:48:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:48:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 604 states and 988 transitions. [2021-11-21 04:48:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 988 transitions. [2021-11-21 04:48:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 04:48:58,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:48:58,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:48:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:48:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 255 proven. 57 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-21 04:49:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 612 states and 997 transitions. [2021-11-21 04:49:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 997 transitions. [2021-11-21 04:49:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 04:49:07,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:07,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 70 proven. 410 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:49:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 615 states and 1000 transitions. [2021-11-21 04:49:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1000 transitions. [2021-11-21 04:49:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 04:49:09,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:09,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 255 proven. 57 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-21 04:49:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:11,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 616 states and 1000 transitions. [2021-11-21 04:49:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1000 transitions. [2021-11-21 04:49:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 04:49:11,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:11,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 487 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:49:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 623 states and 1012 transitions. [2021-11-21 04:49:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1012 transitions. [2021-11-21 04:49:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 04:49:26,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:26,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 487 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:49:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 624 states and 1012 transitions. [2021-11-21 04:49:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1012 transitions. [2021-11-21 04:49:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 04:49:28,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:28,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-21 04:49:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 630 states and 1022 transitions. [2021-11-21 04:49:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1022 transitions. [2021-11-21 04:49:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 04:49:35,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:35,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 04:49:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:49:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 646 states and 1042 transitions. [2021-11-21 04:49:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1042 transitions. [2021-11-21 04:49:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 04:49:58,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:49:58,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:49:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:49:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 279 proven. 67 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-21 04:50:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 649 states and 1045 transitions. [2021-11-21 04:50:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1045 transitions. [2021-11-21 04:50:01,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 04:50:01,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:01,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 174 proven. 435 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 04:50:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 643 states and 1032 transitions. [2021-11-21 04:50:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1032 transitions. [2021-11-21 04:50:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 04:50:17,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:17,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 79 proven. 472 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-21 04:50:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:30,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 653 states and 1041 transitions. [2021-11-21 04:50:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1041 transitions. [2021-11-21 04:50:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 04:50:30,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:30,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-21 04:50:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 659 states and 1048 transitions. [2021-11-21 04:50:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1048 transitions. [2021-11-21 04:50:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 04:50:34,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:34,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-21 04:50:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:50:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 662 states and 1050 transitions. [2021-11-21 04:50:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1050 transitions. [2021-11-21 04:50:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 04:50:36,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:50:36,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:50:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:50:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 0 proven. 573 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.