./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/down.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/down.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d487f6cb836d5c7294168f7ececc6a4515780c0860389f79570a9c0e20e7bcc0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:32,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:32,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:32,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:32,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:32,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:32,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:32,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:32,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:32,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:32,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:32,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:32,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:32,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:32,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:32,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:32,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:32,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:32,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:32,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:32,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:32,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:32,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:32,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:32,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:32,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:32,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:32,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:32,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:32,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:32,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:32,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:32,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:32,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:32,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:32,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:32,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:32,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:32,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:32,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:32,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:32,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:37:32,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:32,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:32,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:37:32,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:37:32,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:32,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:32,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:32,553 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:37:32,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:32,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:37:32,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:32,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:37:32,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:32,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:37:32,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:37:32,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:37:32,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:32,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:37:32,563 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:32,563 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:32,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:32,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:32,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:32,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:32,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:37:32,564 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:32,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:32,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:37:32,565 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_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d487f6cb836d5c7294168f7ececc6a4515780c0860389f79570a9c0e20e7bcc0 [2021-11-23 00:37:32,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:32,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:32,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:32,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:32,971 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:32,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-invgen/down.i [2021-11-23 00:37:33,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/data/cea55d1c6/914d230ff9554a368f9fb973ad1ee9a8/FLAG69631a8be [2021-11-23 00:37:33,555 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:33,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/sv-benchmarks/c/loop-invgen/down.i [2021-11-23 00:37:33,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/data/cea55d1c6/914d230ff9554a368f9fb973ad1ee9a8/FLAG69631a8be [2021-11-23 00:37:33,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/data/cea55d1c6/914d230ff9554a368f9fb973ad1ee9a8 [2021-11-23 00:37:33,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:33,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:33,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:33,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:33,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:33,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:33" (1/1) ... [2021-11-23 00:37:33,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2ef083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:33, skipping insertion in model container [2021-11-23 00:37:33,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:33" (1/1) ... [2021-11-23 00:37:33,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:33,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:34,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/sv-benchmarks/c/loop-invgen/down.i[893,906] [2021-11-23 00:37:34,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:34,208 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:34,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/sv-benchmarks/c/loop-invgen/down.i[893,906] [2021-11-23 00:37:34,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:34,253 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:34,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34 WrapperNode [2021-11-23 00:37:34,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:34,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:34,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:34,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:34,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,304 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2021-11-23 00:37:34,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:34,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:34,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:34,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:34,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:34,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:34,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:34,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:34,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:34,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:34,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:34,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf6d862-66d7-4055-945e-cf7b2ab6ce2c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:34,513 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:34,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:34,687 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:34,714 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:34,715 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:37:34,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:34 BoogieIcfgContainer [2021-11-23 00:37:34,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:34,720 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:34,720 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:34,732 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:34,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:34" (1/1) ... [2021-11-23 00:37:34,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-23 00:37:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-23 00:37:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:37:34,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:34,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2021-11-23 00:37:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2021-11-23 00:37:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:37:35,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:35,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2021-11-23 00:37:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2021-11-23 00:37:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:37:35,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:35,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:35,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:37:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:37:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:37:35,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:35,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 00:37:36,593 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 00:37:36,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:37:36,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:36,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:37,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-23 00:37:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-23 00:37:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:37,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:37,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2021-11-23 00:37:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2021-11-23 00:37:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:37:37,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:37,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-23 00:37:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-23 00:37:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:37:38,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2021-11-23 00:37:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-11-23 00:37:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:37:39,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2021-11-23 00:37:39,940 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2021-11-23 00:37:39,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:37:39,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2021-11-23 00:37:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2021-11-23 00:37:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:37:40,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2021-11-23 00:37:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2021-11-23 00:37:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:37:41,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2021-11-23 00:37:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2021-11-23 00:37:42,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:37:42,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2021-11-23 00:37:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2021-11-23 00:37:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:37:43,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 57 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2021-11-23 00:37:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2021-11-23 00:37:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:37:44,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:44,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2021-11-23 00:37:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2021-11-23 00:37:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:37:45,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:45,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 59 states and 107 transitions. [2021-11-23 00:37:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2021-11-23 00:37:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:37:46,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:46,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 28 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 110 transitions. [2021-11-23 00:37:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 110 transitions. [2021-11-23 00:37:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:37:48,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:48,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 100 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 124 transitions. [2021-11-23 00:37:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2021-11-23 00:37:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:37:49,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 36 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2021-11-23 00:37:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2021-11-23 00:37:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:37:50,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:50,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2021-11-23 00:37:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2021-11-23 00:37:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:37:52,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 45 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 00:37:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 00:37:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:37:53,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:53,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 155 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:55,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 80 states and 161 transitions. [2021-11-23 00:37:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 161 transitions. [2021-11-23 00:37:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:37:55,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:55,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 55 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 83 states and 164 transitions. [2021-11-23 00:37:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2021-11-23 00:37:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:37:56,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:56,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 187 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 87 states and 181 transitions. [2021-11-23 00:37:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 181 transitions. [2021-11-23 00:37:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:37:58,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:58,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 66 proven. 199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 90 states and 184 transitions. [2021-11-23 00:37:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 184 transitions. [2021-11-23 00:37:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:37:59,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:59,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 222 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 94 states and 202 transitions. [2021-11-23 00:38:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2021-11-23 00:38:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:38:01,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:01,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 78 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 97 states and 205 transitions. [2021-11-23 00:38:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 205 transitions. [2021-11-23 00:38:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:38:03,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:03,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 260 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 101 states and 224 transitions. [2021-11-23 00:38:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 224 transitions. [2021-11-23 00:38:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:38:05,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 91 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 104 states and 227 transitions. [2021-11-23 00:38:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 227 transitions. [2021-11-23 00:38:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:38:07,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 301 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 108 states and 247 transitions. [2021-11-23 00:38:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 247 transitions. [2021-11-23 00:38:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:38:09,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:09,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 105 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 111 states and 250 transitions. [2021-11-23 00:38:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 250 transitions. [2021-11-23 00:38:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:38:11,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:11,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 345 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 115 states and 271 transitions. [2021-11-23 00:38:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 271 transitions. [2021-11-23 00:38:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:38:14,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:14,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 120 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 118 states and 274 transitions. [2021-11-23 00:38:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 274 transitions. [2021-11-23 00:38:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:38:16,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:16,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 392 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 122 states and 296 transitions. [2021-11-23 00:38:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 296 transitions. [2021-11-23 00:38:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:38:18,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:18,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 136 proven. 409 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 125 states and 299 transitions. [2021-11-23 00:38:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 299 transitions. [2021-11-23 00:38:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:38:21,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:21,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 442 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 129 states and 322 transitions. [2021-11-23 00:38:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 322 transitions. [2021-11-23 00:38:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:38:23,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:23,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 153 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:26,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 132 states and 325 transitions. [2021-11-23 00:38:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 325 transitions. [2021-11-23 00:38:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:38:26,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:26,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 495 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 136 states and 349 transitions. [2021-11-23 00:38:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 349 transitions. [2021-11-23 00:38:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:38:28,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:28,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 171 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 139 states and 352 transitions. [2021-11-23 00:38:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 352 transitions. [2021-11-23 00:38:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:38:31,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:31,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 551 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:34,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 143 states and 377 transitions. [2021-11-23 00:38:34,457 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 377 transitions. [2021-11-23 00:38:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:38:34,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:34,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 190 proven. 571 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 146 states and 380 transitions. [2021-11-23 00:38:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 380 transitions. [2021-11-23 00:38:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:38:37,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:37,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 610 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 150 states and 406 transitions. [2021-11-23 00:38:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 406 transitions. [2021-11-23 00:38:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:38:40,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:40,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 210 proven. 631 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 153 states and 409 transitions. [2021-11-23 00:38:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 409 transitions. [2021-11-23 00:38:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:38:42,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:42,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 672 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 157 states and 436 transitions. [2021-11-23 00:38:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 436 transitions. [2021-11-23 00:38:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:38:46,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:46,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 231 proven. 694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 160 states and 439 transitions. [2021-11-23 00:38:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 439 transitions. [2021-11-23 00:38:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:38:48,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:48,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 737 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 164 states and 467 transitions. [2021-11-23 00:38:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 467 transitions. [2021-11-23 00:38:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:38:52,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:52,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 253 proven. 760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:55,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 167 states and 470 transitions. [2021-11-23 00:38:55,107 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 470 transitions. [2021-11-23 00:38:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:38:55,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:55,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 805 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 171 states and 499 transitions. [2021-11-23 00:38:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 499 transitions. [2021-11-23 00:38:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:38:58,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:58,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 276 proven. 829 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 174 states and 502 transitions. [2021-11-23 00:39:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 502 transitions. [2021-11-23 00:39:01,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:39:01,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:01,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 876 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 178 states and 532 transitions. [2021-11-23 00:39:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 532 transitions. [2021-11-23 00:39:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:39:05,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:05,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 300 proven. 901 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 181 states and 535 transitions. [2021-11-23 00:39:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 535 transitions. [2021-11-23 00:39:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:39:08,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:08,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 950 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 185 states and 566 transitions. [2021-11-23 00:39:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 566 transitions. [2021-11-23 00:39:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:39:12,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:12,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 325 proven. 976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:15,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 188 states and 569 transitions. [2021-11-23 00:39:15,385 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 569 transitions. [2021-11-23 00:39:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:39:15,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:15,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 1027 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 192 states and 601 transitions. [2021-11-23 00:39:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 601 transitions. [2021-11-23 00:39:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:39:19,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:19,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 351 proven. 1054 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 195 states and 604 transitions. [2021-11-23 00:39:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 604 transitions. [2021-11-23 00:39:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:39:22,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:22,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 1107 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 199 states and 637 transitions. [2021-11-23 00:39:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 637 transitions. [2021-11-23 00:39:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:39:26,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:26,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 378 proven. 1135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:30,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:30,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 202 states and 640 transitions. [2021-11-23 00:39:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 640 transitions. [2021-11-23 00:39:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:39:30,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:30,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1190 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 206 states and 674 transitions. [2021-11-23 00:39:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 674 transitions. [2021-11-23 00:39:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:39:34,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:34,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 406 proven. 1219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 209 states and 677 transitions. [2021-11-23 00:39:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 677 transitions. [2021-11-23 00:39:38,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:39:38,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 1276 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 213 states and 712 transitions. [2021-11-23 00:39:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 712 transitions. [2021-11-23 00:39:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:39:42,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:42,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 435 proven. 1306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 216 states and 715 transitions. [2021-11-23 00:39:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 715 transitions. [2021-11-23 00:39:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:39:46,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:46,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 1365 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 220 states and 751 transitions. [2021-11-23 00:39:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 751 transitions. [2021-11-23 00:39:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 00:39:50,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:50,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1861 backedges. 465 proven. 1396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 223 states and 754 transitions. [2021-11-23 00:39:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 754 transitions. [2021-11-23 00:39:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:39:54,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:54,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 1457 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 227 states and 791 transitions. [2021-11-23 00:39:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 791 transitions. [2021-11-23 00:39:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 00:39:59,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:59,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:59,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 496 proven. 1489 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 230 states and 794 transitions. [2021-11-23 00:40:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 794 transitions. [2021-11-23 00:40:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:40:03,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:03,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1552 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 234 states and 832 transitions. [2021-11-23 00:40:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 832 transitions. [2021-11-23 00:40:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 00:40:07,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:07,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 528 proven. 1585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 237 states and 835 transitions. [2021-11-23 00:40:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 835 transitions. [2021-11-23 00:40:11,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 00:40:11,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:11,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 1650 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 241 states and 874 transitions. [2021-11-23 00:40:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 874 transitions. [2021-11-23 00:40:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:40:16,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:16,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 561 proven. 1684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:20,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 244 states and 877 transitions. [2021-11-23 00:40:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 877 transitions. [2021-11-23 00:40:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-23 00:40:20,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:20,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 1751 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 248 states and 917 transitions. [2021-11-23 00:40:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 917 transitions. [2021-11-23 00:40:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 00:40:25,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:25,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2381 backedges. 595 proven. 1786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 251 states and 920 transitions. [2021-11-23 00:40:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 920 transitions. [2021-11-23 00:40:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 00:40:30,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:30,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 1855 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 255 states and 961 transitions. [2021-11-23 00:40:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 961 transitions. [2021-11-23 00:40:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 00:40:35,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:35,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 630 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 258 states and 964 transitions. [2021-11-23 00:40:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 964 transitions. [2021-11-23 00:40:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 00:40:39,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:39,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 1962 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 262 states and 1006 transitions. [2021-11-23 00:40:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1006 transitions. [2021-11-23 00:40:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:40:45,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:45,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2665 backedges. 666 proven. 1999 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 265 states and 1009 transitions. [2021-11-23 00:40:49,576 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 1009 transitions. [2021-11-23 00:40:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 00:40:49,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:49,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 2072 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 269 states and 1052 transitions. [2021-11-23 00:40:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1052 transitions. [2021-11-23 00:40:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:40:55,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:55,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 703 proven. 2110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 272 states and 1055 transitions. [2021-11-23 00:40:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1055 transitions. [2021-11-23 00:40:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:40:59,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:59,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 2185 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 276 states and 1099 transitions. [2021-11-23 00:41:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1099 transitions. [2021-11-23 00:41:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-23 00:41:05,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:05,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2965 backedges. 741 proven. 2224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 279 states and 1102 transitions. [2021-11-23 00:41:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1102 transitions. [2021-11-23 00:41:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 00:41:11,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:11,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 2301 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 283 states and 1147 transitions. [2021-11-23 00:41:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1147 transitions. [2021-11-23 00:41:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 00:41:16,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 780 proven. 2341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 286 states and 1150 transitions. [2021-11-23 00:41:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 1150 transitions. [2021-11-23 00:41:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 00:41:22,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:22,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 2420 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:28,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 290 states and 1196 transitions. [2021-11-23 00:41:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1196 transitions. [2021-11-23 00:41:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-23 00:41:28,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:28,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3281 backedges. 820 proven. 2461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 293 states and 1199 transitions. [2021-11-23 00:41:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1199 transitions. [2021-11-23 00:41:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:41:33,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:33,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 2542 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 297 states and 1246 transitions. [2021-11-23 00:41:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1246 transitions. [2021-11-23 00:41:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 00:41:39,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:39,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3445 backedges. 861 proven. 2584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 300 states and 1249 transitions. [2021-11-23 00:41:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1249 transitions. [2021-11-23 00:41:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:41:44,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:44,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 2667 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 304 states and 1297 transitions. [2021-11-23 00:41:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1297 transitions. [2021-11-23 00:41:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 00:41:51,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:51,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3613 backedges. 903 proven. 2710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 307 states and 1300 transitions. [2021-11-23 00:41:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1300 transitions. [2021-11-23 00:41:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:41:56,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:56,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 2795 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 311 states and 1349 transitions. [2021-11-23 00:42:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1349 transitions. [2021-11-23 00:42:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 00:42:03,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:03,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3785 backedges. 946 proven. 2839 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 314 states and 1352 transitions. [2021-11-23 00:42:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1352 transitions. [2021-11-23 00:42:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-23 00:42:09,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:09,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 2926 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 318 states and 1402 transitions. [2021-11-23 00:42:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1402 transitions. [2021-11-23 00:42:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 00:42:15,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:15,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 990 proven. 2971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 321 states and 1405 transitions. [2021-11-23 00:42:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1405 transitions. [2021-11-23 00:42:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 00:42:21,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:21,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 3060 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 325 states and 1456 transitions. [2021-11-23 00:42:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1456 transitions. [2021-11-23 00:42:28,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 00:42:28,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4141 backedges. 1035 proven. 3106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 328 states and 1459 transitions. [2021-11-23 00:42:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1459 transitions. [2021-11-23 00:42:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-23 00:42:34,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:34,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 3197 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:41,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 332 states and 1511 transitions. [2021-11-23 00:42:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1511 transitions. [2021-11-23 00:42:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 00:42:41,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:41,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4325 backedges. 1081 proven. 3244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 335 states and 1514 transitions. [2021-11-23 00:42:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1514 transitions. [2021-11-23 00:42:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 00:42:47,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:47,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 3337 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 339 states and 1567 transitions. [2021-11-23 00:42:54,961 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1567 transitions. [2021-11-23 00:42:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 00:42:54,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:54,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4513 backedges. 1128 proven. 3385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 342 states and 1570 transitions. [2021-11-23 00:43:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1570 transitions. [2021-11-23 00:43:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 00:43:01,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:01,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 3480 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:08,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 346 states and 1624 transitions. [2021-11-23 00:43:08,733 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1624 transitions. [2021-11-23 00:43:08,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 00:43:08,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4705 backedges. 1176 proven. 3529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 349 states and 1627 transitions. [2021-11-23 00:43:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1627 transitions. [2021-11-23 00:43:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 00:43:15,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 3626 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 353 states and 1682 transitions. [2021-11-23 00:43:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1682 transitions. [2021-11-23 00:43:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 00:43:22,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:22,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4901 backedges. 1225 proven. 3676 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 356 states and 1685 transitions. [2021-11-23 00:43:29,364 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1685 transitions. [2021-11-23 00:43:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 00:43:29,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:29,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 3775 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 360 states and 1741 transitions. [2021-11-23 00:43:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1741 transitions. [2021-11-23 00:43:36,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 00:43:36,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:36,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5101 backedges. 1275 proven. 3826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:43,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 363 states and 1744 transitions. [2021-11-23 00:43:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1744 transitions. [2021-11-23 00:43:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 00:43:43,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:43,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 3927 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:51,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 367 states and 1801 transitions. [2021-11-23 00:43:51,577 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1801 transitions. [2021-11-23 00:43:51,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 00:43:51,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:51,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5305 backedges. 1326 proven. 3979 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 370 states and 1804 transitions. [2021-11-23 00:43:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1804 transitions. [2021-11-23 00:43:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 00:43:58,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:58,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 4082 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 374 states and 1862 transitions. [2021-11-23 00:44:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1862 transitions. [2021-11-23 00:44:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-23 00:44:05,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:05,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5513 backedges. 1378 proven. 4135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 377 states and 1865 transitions. [2021-11-23 00:44:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1865 transitions. [2021-11-23 00:44:12,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-23 00:44:12,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:12,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 4240 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 381 states and 1924 transitions. [2021-11-23 00:44:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1924 transitions. [2021-11-23 00:44:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 00:44:20,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:20,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5725 backedges. 1431 proven. 4294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 384 states and 1927 transitions. [2021-11-23 00:44:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1927 transitions. [2021-11-23 00:44:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 00:44:27,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:27,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 4401 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 388 states and 1987 transitions. [2021-11-23 00:44:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 1987 transitions. [2021-11-23 00:44:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 00:44:36,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:36,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5941 backedges. 1485 proven. 4456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 391 states and 1990 transitions. [2021-11-23 00:44:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1990 transitions. [2021-11-23 00:44:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-23 00:44:43,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:43,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:44,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 4565 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 395 states and 2051 transitions. [2021-11-23 00:44:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 2051 transitions. [2021-11-23 00:44:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 00:44:51,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6161 backedges. 1540 proven. 4621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 398 states and 2054 transitions. [2021-11-23 00:44:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 2054 transitions. [2021-11-23 00:44:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-23 00:44:59,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:59,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 4732 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 402 states and 2116 transitions. [2021-11-23 00:45:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 2116 transitions. [2021-11-23 00:45:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-23 00:45:07,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:07,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6385 backedges. 1596 proven. 4789 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:15,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 405 states and 2119 transitions. [2021-11-23 00:45:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 2119 transitions. [2021-11-23 00:45:15,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 00:45:15,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:15,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 4902 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 409 states and 2182 transitions. [2021-11-23 00:45:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 2182 transitions. [2021-11-23 00:45:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-23 00:45:23,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:23,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6613 backedges. 1653 proven. 4960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 412 states and 2185 transitions. [2021-11-23 00:45:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 2185 transitions. [2021-11-23 00:45:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 00:45:31,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:31,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 5075 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 416 states and 2249 transitions. [2021-11-23 00:45:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 2249 transitions. [2021-11-23 00:45:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-23 00:45:40,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:40,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6845 backedges. 1711 proven. 5134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:47,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 419 states and 2252 transitions. [2021-11-23 00:45:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 2252 transitions. [2021-11-23 00:45:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-23 00:45:47,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:47,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 5251 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 423 states and 2317 transitions. [2021-11-23 00:45:57,184 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 2317 transitions. [2021-11-23 00:45:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 00:45:57,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:57,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 7081 backedges. 1770 proven. 5311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:05,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 426 states and 2320 transitions. [2021-11-23 00:46:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 2320 transitions. [2021-11-23 00:46:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-23 00:46:05,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:05,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 5430 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:14,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:14,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 430 states and 2386 transitions. [2021-11-23 00:46:14,343 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 2386 transitions. [2021-11-23 00:46:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-23 00:46:14,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:14,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7321 backedges. 1830 proven. 5491 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 433 states and 2389 transitions. [2021-11-23 00:46:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 2389 transitions. [2021-11-23 00:46:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-23 00:46:22,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:22,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 5612 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 437 states and 2456 transitions. [2021-11-23 00:46:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 2456 transitions. [2021-11-23 00:46:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-23 00:46:31,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:31,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:32,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7565 backedges. 1891 proven. 5674 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 440 states and 2459 transitions. [2021-11-23 00:46:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 2459 transitions. [2021-11-23 00:46:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-23 00:46:39,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 5797 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:49,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 444 states and 2527 transitions. [2021-11-23 00:46:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 2527 transitions. [2021-11-23 00:46:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 00:46:49,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:49,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7813 backedges. 1953 proven. 5860 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 447 states and 2530 transitions. [2021-11-23 00:46:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 2530 transitions. [2021-11-23 00:46:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-23 00:46:57,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:57,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 5985 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 451 states and 2599 transitions. [2021-11-23 00:47:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 2599 transitions. [2021-11-23 00:47:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 00:47:07,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:07,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8065 backedges. 2016 proven. 6049 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 454 states and 2602 transitions. [2021-11-23 00:47:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 2602 transitions. [2021-11-23 00:47:15,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 00:47:15,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:15,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 6176 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 458 states and 2672 transitions. [2021-11-23 00:47:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 2672 transitions. [2021-11-23 00:47:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-23 00:47:25,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:25,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8321 backedges. 2080 proven. 6241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 461 states and 2675 transitions. [2021-11-23 00:47:34,345 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 2675 transitions. [2021-11-23 00:47:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-23 00:47:34,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:34,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 6370 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 465 states and 2746 transitions. [2021-11-23 00:47:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 2746 transitions. [2021-11-23 00:47:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-23 00:47:44,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:44,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8581 backedges. 2145 proven. 6436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 468 states and 2749 transitions. [2021-11-23 00:47:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 2749 transitions. [2021-11-23 00:47:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 00:47:53,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:53,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 6567 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 472 states and 2821 transitions. [2021-11-23 00:48:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 2821 transitions. [2021-11-23 00:48:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-23 00:48:03,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:03,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8845 backedges. 2211 proven. 6634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 475 states and 2824 transitions. [2021-11-23 00:48:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 2824 transitions. [2021-11-23 00:48:12,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-23 00:48:12,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:12,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 6767 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.