./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:13:58,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:13:58,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:13:58,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:13:58,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:13:58,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:13:58,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:13:58,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:13:58,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:13:58,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:13:58,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:13:58,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:13:58,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:13:58,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:13:58,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:13:58,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:13:58,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:13:58,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:13:58,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:13:58,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:13:58,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:13:58,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:13:58,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:13:58,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:13:58,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:13:58,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:13:58,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:13:58,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:13:58,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:13:58,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:13:58,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:13:58,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:13:58,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:13:58,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:13:58,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:13:58,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:13:58,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:13:58,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:13:58,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:13:58,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:13:58,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:13:58,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:13:58,615 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:13:58,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:13:58,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:13:58,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:13:58,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:13:58,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:13:58,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:13:58,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:13:58,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:13:58,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:13:58,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:13:58,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:13:58,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:13:58,622 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:13:58,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:13:58,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:13:58,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:13:58,623 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:13:58,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:13:58,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:13:58,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:13:58,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:13:58,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:13:58,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:13:58,624 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:13:58,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:13:58,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:13:58,625 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_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2021-11-21 05:13:58,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:13:59,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:13:59,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:13:59,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:13:59,014 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:13:59,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2021-11-21 05:13:59,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/data/eaf03f7fa/5c3ca27496204bdfb3aec0be2a7070d0/FLAG2eaf2d422 [2021-11-21 05:13:59,634 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:13:59,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2021-11-21 05:13:59,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/data/eaf03f7fa/5c3ca27496204bdfb3aec0be2a7070d0/FLAG2eaf2d422 [2021-11-21 05:14:00,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/data/eaf03f7fa/5c3ca27496204bdfb3aec0be2a7070d0 [2021-11-21 05:14:00,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:14:00,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:14:00,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:14:00,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:14:00,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:14:00,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c92acd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00, skipping insertion in model container [2021-11-21 05:14:00,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:14:00,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:14:00,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:14:00,230 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:14:00,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:14:00,263 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:14:00,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00 WrapperNode [2021-11-21 05:14:00,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:14:00,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:14:00,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:14:00,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:14:00,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,301 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2021-11-21 05:14:00,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:14:00,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:14:00,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:14:00,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:14:00,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:14:00,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:14:00,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:14:00,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:14:00,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:14:00,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:14:00,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:14:00,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363babec-de4e-4a17-acf1-2f6df79e53e5/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:14:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:14:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:14:00,484 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:14:00,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:14:00,634 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:14:00,651 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:14:00,652 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 05:14:00,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:14:00 BoogieIcfgContainer [2021-11-21 05:14:00,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:14:00,656 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:14:00,656 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:14:00,667 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:14:00,667 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:14:00" (1/1) ... [2021-11-21 05:14:00,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:14:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-21 05:14:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-21 05:14:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:14:00,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:00,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:14:00,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-21 05:14:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-21 05:14:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:14:00,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:00,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:14:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-21 05:14:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-21 05:14:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:14:01,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:01,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:14:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-21 05:14:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-21 05:14:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:14:01,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:01,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:14:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-21 05:14:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-21 05:14:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:14:01,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:01,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:14:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:01,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-21 05:14:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-21 05:14:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:14:01,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:01,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-11-21 05:14:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-11-21 05:14:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:14:01,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:01,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-21 05:14:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-21 05:14:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:14:02,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:02,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:14:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-21 05:14:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-21 05:14:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:14:02,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:02,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:14:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-21 05:14:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-21 05:14:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:14:02,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:02,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:14:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2021-11-21 05:14:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-11-21 05:14:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:14:03,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:03,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 05:14:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-21 05:14:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-21 05:14:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:14:03,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:03,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 05:14:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-21 05:14:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-21 05:14:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:14:03,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:03,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2021-11-21 05:14:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-11-21 05:14:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:14:03,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:03,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-21 05:14:04,382 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-21 05:14:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:14:04,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:04,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:14:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:04,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-21 05:14:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-21 05:14:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:14:04,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:04,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2021-11-21 05:14:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-21 05:14:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:14:05,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:05,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2021-11-21 05:14:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2021-11-21 05:14:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:14:06,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:06,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 05:14:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2021-11-21 05:14:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2021-11-21 05:14:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:14:06,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:06,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 53 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2021-11-21 05:14:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-11-21 05:14:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:14:07,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:07,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 74 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 05:14:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2021-11-21 05:14:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2021-11-21 05:14:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:14:07,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:07,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 74 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2021-11-21 05:14:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2021-11-21 05:14:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:14:08,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:08,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 57 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 05:14:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2021-11-21 05:14:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-11-21 05:14:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:14:09,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:09,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 98 proven. 137 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2021-11-21 05:14:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2021-11-21 05:14:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:14:10,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:10,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 146 proven. 77 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-21 05:14:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2021-11-21 05:14:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2021-11-21 05:14:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:14:10,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:10,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 125 proven. 191 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2021-11-21 05:14:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2021-11-21 05:14:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:14:11,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:11,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 191 proven. 100 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-21 05:14:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2021-11-21 05:14:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2021-11-21 05:14:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:14:12,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:12,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 155 proven. 254 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 87 states and 143 transitions. [2021-11-21 05:14:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2021-11-21 05:14:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:14:13,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:13,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 242 proven. 126 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-21 05:14:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 146 transitions. [2021-11-21 05:14:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2021-11-21 05:14:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:14:14,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:14,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 188 proven. 326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2021-11-21 05:14:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2021-11-21 05:14:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:14:16,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:16,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 299 proven. 155 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-21 05:14:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2021-11-21 05:14:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2021-11-21 05:14:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:14:16,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:16,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 224 proven. 407 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 105 states and 184 transitions. [2021-11-21 05:14:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2021-11-21 05:14:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 05:14:18,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:18,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 362 proven. 187 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 05:14:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 187 transitions. [2021-11-21 05:14:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2021-11-21 05:14:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 05:14:19,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:19,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 263 proven. 497 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 114 states and 206 transitions. [2021-11-21 05:14:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 206 transitions. [2021-11-21 05:14:20,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:14:20,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:20,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 431 proven. 222 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-21 05:14:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 117 states and 209 transitions. [2021-11-21 05:14:21,745 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 209 transitions. [2021-11-21 05:14:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:14:21,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:21,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 305 proven. 596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 123 states and 229 transitions. [2021-11-21 05:14:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 229 transitions. [2021-11-21 05:14:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:14:23,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:23,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 506 proven. 260 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-21 05:14:24,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 232 transitions. [2021-11-21 05:14:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2021-11-21 05:14:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-21 05:14:24,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:24,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 350 proven. 704 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2021-11-21 05:14:26,694 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2021-11-21 05:14:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 05:14:26,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:26,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 587 proven. 301 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-11-21 05:14:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 135 states and 256 transitions. [2021-11-21 05:14:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 256 transitions. [2021-11-21 05:14:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 05:14:27,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:27,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 398 proven. 821 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:29,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 141 states and 278 transitions. [2021-11-21 05:14:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 278 transitions. [2021-11-21 05:14:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-21 05:14:29,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:29,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 674 proven. 345 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-21 05:14:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 281 transitions. [2021-11-21 05:14:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 281 transitions. [2021-11-21 05:14:30,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:14:30,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:30,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 449 proven. 947 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 150 states and 304 transitions. [2021-11-21 05:14:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 304 transitions. [2021-11-21 05:14:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 05:14:33,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:33,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 767 proven. 392 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-21 05:14:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 307 transitions. [2021-11-21 05:14:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 307 transitions. [2021-11-21 05:14:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:14:34,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:34,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 503 proven. 1082 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 331 transitions. [2021-11-21 05:14:36,557 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 331 transitions. [2021-11-21 05:14:36,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-21 05:14:36,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:36,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 866 proven. 442 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-21 05:14:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 162 states and 334 transitions. [2021-11-21 05:14:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 334 transitions. [2021-11-21 05:14:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-21 05:14:37,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:37,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 560 proven. 1226 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 168 states and 359 transitions. [2021-11-21 05:14:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 359 transitions. [2021-11-21 05:14:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 05:14:40,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:40,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 971 proven. 495 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-11-21 05:14:41,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:41,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 171 states and 362 transitions. [2021-11-21 05:14:41,160 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 362 transitions. [2021-11-21 05:14:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:14:41,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:41,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 620 proven. 1379 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 177 states and 388 transitions. [2021-11-21 05:14:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 388 transitions. [2021-11-21 05:14:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 05:14:43,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:43,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 1082 proven. 551 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2021-11-21 05:14:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 180 states and 391 transitions. [2021-11-21 05:14:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 391 transitions. [2021-11-21 05:14:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 05:14:44,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:44,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2225 backedges. 683 proven. 1541 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:47,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 186 states and 418 transitions. [2021-11-21 05:14:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 418 transitions. [2021-11-21 05:14:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 05:14:47,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:47,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 1199 proven. 610 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-21 05:14:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 189 states and 421 transitions. [2021-11-21 05:14:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 421 transitions. [2021-11-21 05:14:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 05:14:48,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:48,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 749 proven. 1712 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 195 states and 449 transitions. [2021-11-21 05:14:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 449 transitions. [2021-11-21 05:14:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-21 05:14:51,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:51,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 1322 proven. 672 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-21 05:14:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 198 states and 452 transitions. [2021-11-21 05:14:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 452 transitions. [2021-11-21 05:14:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 05:14:52,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:52,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 818 proven. 1892 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:14:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:55,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 204 states and 481 transitions. [2021-11-21 05:14:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 481 transitions. [2021-11-21 05:14:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-21 05:14:55,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:55,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2840 backedges. 1451 proven. 737 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-11-21 05:14:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:14:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 207 states and 484 transitions. [2021-11-21 05:14:56,948 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 484 transitions. [2021-11-21 05:14:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-21 05:14:56,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:14:56,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:14:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:14:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2972 backedges. 890 proven. 2081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 213 states and 514 transitions. [2021-11-21 05:15:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 514 transitions. [2021-11-21 05:15:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 05:15:00,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:00,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 1586 proven. 805 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-11-21 05:15:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 216 states and 517 transitions. [2021-11-21 05:15:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 517 transitions. [2021-11-21 05:15:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 05:15:01,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:01,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3245 backedges. 965 proven. 2279 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:04,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 222 states and 548 transitions. [2021-11-21 05:15:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 548 transitions. [2021-11-21 05:15:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-21 05:15:04,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:04,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3386 backedges. 1727 proven. 876 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2021-11-21 05:15:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 225 states and 551 transitions. [2021-11-21 05:15:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 551 transitions. [2021-11-21 05:15:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 05:15:06,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:06,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 1043 proven. 2486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 231 states and 583 transitions. [2021-11-21 05:15:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 583 transitions. [2021-11-21 05:15:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-21 05:15:09,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:09,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 1874 proven. 950 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2021-11-21 05:15:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 234 states and 586 transitions. [2021-11-21 05:15:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 586 transitions. [2021-11-21 05:15:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-21 05:15:10,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:10,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3827 backedges. 1124 proven. 2702 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 240 states and 619 transitions. [2021-11-21 05:15:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 619 transitions. [2021-11-21 05:15:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-21 05:15:14,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:14,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 2027 proven. 1027 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2021-11-21 05:15:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 243 states and 622 transitions. [2021-11-21 05:15:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 622 transitions. [2021-11-21 05:15:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-21 05:15:15,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:15,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4136 backedges. 1208 proven. 2927 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 249 states and 656 transitions. [2021-11-21 05:15:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 656 transitions. [2021-11-21 05:15:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-21 05:15:18,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:18,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 2186 proven. 1107 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2021-11-21 05:15:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 252 states and 659 transitions. [2021-11-21 05:15:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 659 transitions. [2021-11-21 05:15:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-21 05:15:20,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:20,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4457 backedges. 1295 proven. 3161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 258 states and 694 transitions. [2021-11-21 05:15:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 694 transitions. [2021-11-21 05:15:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-21 05:15:23,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:23,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4622 backedges. 2351 proven. 1190 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-21 05:15:25,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 261 states and 697 transitions. [2021-11-21 05:15:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 697 transitions. [2021-11-21 05:15:25,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-21 05:15:25,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:25,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 1385 proven. 3404 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 267 states and 733 transitions. [2021-11-21 05:15:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 733 transitions. [2021-11-21 05:15:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-21 05:15:29,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:29,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4961 backedges. 2522 proven. 1276 refuted. 0 times theorem prover too weak. 1163 trivial. 0 not checked. [2021-11-21 05:15:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:30,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 270 states and 736 transitions. [2021-11-21 05:15:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 736 transitions. [2021-11-21 05:15:30,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-21 05:15:30,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:30,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 1478 proven. 3656 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 276 states and 773 transitions. [2021-11-21 05:15:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 773 transitions. [2021-11-21 05:15:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:15:34,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:34,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5312 backedges. 2699 proven. 1365 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2021-11-21 05:15:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 279 states and 776 transitions. [2021-11-21 05:15:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 776 transitions. [2021-11-21 05:15:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-21 05:15:36,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:36,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5492 backedges. 1574 proven. 3917 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:40,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:40,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 285 states and 814 transitions. [2021-11-21 05:15:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 814 transitions. [2021-11-21 05:15:40,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-21 05:15:40,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:40,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5675 backedges. 2882 proven. 1457 refuted. 0 times theorem prover too weak. 1336 trivial. 0 not checked. [2021-11-21 05:15:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:42,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 288 states and 817 transitions. [2021-11-21 05:15:42,101 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 817 transitions. [2021-11-21 05:15:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-21 05:15:42,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:42,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5861 backedges. 1673 proven. 4187 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 294 states and 856 transitions. [2021-11-21 05:15:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 856 transitions. [2021-11-21 05:15:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-21 05:15:46,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:46,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 3071 proven. 1552 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-11-21 05:15:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 297 states and 859 transitions. [2021-11-21 05:15:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 859 transitions. [2021-11-21 05:15:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-21 05:15:47,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:47,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6242 backedges. 1775 proven. 4466 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 303 states and 899 transitions. [2021-11-21 05:15:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 899 transitions. [2021-11-21 05:15:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-21 05:15:51,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:51,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 3266 proven. 1650 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2021-11-21 05:15:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 306 states and 902 transitions. [2021-11-21 05:15:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 902 transitions. [2021-11-21 05:15:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-21 05:15:53,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:53,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6635 backedges. 1880 proven. 4754 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:15:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 312 states and 943 transitions. [2021-11-21 05:15:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 943 transitions. [2021-11-21 05:15:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-21 05:15:58,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:58,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:15:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6836 backedges. 3467 proven. 1751 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2021-11-21 05:15:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:15:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 315 states and 946 transitions. [2021-11-21 05:15:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 946 transitions. [2021-11-21 05:15:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-21 05:15:59,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:15:59,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:15:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7040 backedges. 1988 proven. 5051 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 321 states and 988 transitions. [2021-11-21 05:16:04,289 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 988 transitions. [2021-11-21 05:16:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-21 05:16:04,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:04,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 7247 backedges. 3674 proven. 1855 refuted. 0 times theorem prover too weak. 1718 trivial. 0 not checked. [2021-11-21 05:16:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 324 states and 991 transitions. [2021-11-21 05:16:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 991 transitions. [2021-11-21 05:16:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-21 05:16:06,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:06,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7457 backedges. 2099 proven. 5357 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:10,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 330 states and 1034 transitions. [2021-11-21 05:16:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1034 transitions. [2021-11-21 05:16:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-21 05:16:10,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:10,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7670 backedges. 3887 proven. 1962 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2021-11-21 05:16:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 333 states and 1037 transitions. [2021-11-21 05:16:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1037 transitions. [2021-11-21 05:16:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-21 05:16:12,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:12,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 2213 proven. 5672 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 339 states and 1081 transitions. [2021-11-21 05:16:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1081 transitions. [2021-11-21 05:16:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-21 05:16:17,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 8105 backedges. 4106 proven. 2072 refuted. 0 times theorem prover too weak. 1927 trivial. 0 not checked. [2021-11-21 05:16:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 342 states and 1084 transitions. [2021-11-21 05:16:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1084 transitions. [2021-11-21 05:16:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-21 05:16:19,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:19,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8327 backedges. 2330 proven. 5996 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 348 states and 1129 transitions. [2021-11-21 05:16:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1129 transitions. [2021-11-21 05:16:23,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-21 05:16:23,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:23,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8552 backedges. 4331 proven. 2185 refuted. 0 times theorem prover too weak. 2036 trivial. 0 not checked. [2021-11-21 05:16:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 351 states and 1132 transitions. [2021-11-21 05:16:25,913 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1132 transitions. [2021-11-21 05:16:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-21 05:16:25,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:25,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 2450 proven. 6329 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 357 states and 1178 transitions. [2021-11-21 05:16:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1178 transitions. [2021-11-21 05:16:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-21 05:16:30,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:30,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9011 backedges. 4562 proven. 2301 refuted. 0 times theorem prover too weak. 2148 trivial. 0 not checked. [2021-11-21 05:16:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 360 states and 1181 transitions. [2021-11-21 05:16:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1181 transitions. [2021-11-21 05:16:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-21 05:16:32,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:32,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9245 backedges. 2573 proven. 6671 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 366 states and 1228 transitions. [2021-11-21 05:16:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1228 transitions. [2021-11-21 05:16:37,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-21 05:16:37,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:37,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 9482 backedges. 4799 proven. 2420 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2021-11-21 05:16:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 369 states and 1231 transitions. [2021-11-21 05:16:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1231 transitions. [2021-11-21 05:16:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-21 05:16:39,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:39,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 9722 backedges. 2699 proven. 7022 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 375 states and 1279 transitions. [2021-11-21 05:16:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1279 transitions. [2021-11-21 05:16:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-21 05:16:45,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:45,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9965 backedges. 5042 proven. 2542 refuted. 0 times theorem prover too weak. 2381 trivial. 0 not checked. [2021-11-21 05:16:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:47,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 378 states and 1282 transitions. [2021-11-21 05:16:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1282 transitions. [2021-11-21 05:16:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-21 05:16:47,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:47,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10211 backedges. 2828 proven. 7382 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:16:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 384 states and 1331 transitions. [2021-11-21 05:16:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1331 transitions. [2021-11-21 05:16:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-21 05:16:52,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:52,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10460 backedges. 5291 proven. 2667 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2021-11-21 05:16:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:16:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 387 states and 1334 transitions. [2021-11-21 05:16:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1334 transitions. [2021-11-21 05:16:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-21 05:16:54,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:16:54,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:16:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:16:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 2960 proven. 7751 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 393 states and 1384 transitions. [2021-11-21 05:17:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1384 transitions. [2021-11-21 05:17:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-21 05:17:00,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:00,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:00,741 INFO L134 CoverageAnalysis]: Checked inductivity of 10967 backedges. 5546 proven. 2795 refuted. 0 times theorem prover too weak. 2626 trivial. 0 not checked. [2021-11-21 05:17:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:02,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 396 states and 1387 transitions. [2021-11-21 05:17:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 1387 transitions. [2021-11-21 05:17:02,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 05:17:02,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:02,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11225 backedges. 3095 proven. 8129 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 402 states and 1438 transitions. [2021-11-21 05:17:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1438 transitions. [2021-11-21 05:17:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 05:17:08,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:08,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11486 backedges. 5807 proven. 2926 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2021-11-21 05:17:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 405 states and 1441 transitions. [2021-11-21 05:17:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1441 transitions. [2021-11-21 05:17:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-21 05:17:10,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:10,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 11750 backedges. 3233 proven. 8516 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:16,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 411 states and 1493 transitions. [2021-11-21 05:17:16,269 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1493 transitions. [2021-11-21 05:17:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-21 05:17:16,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:16,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12017 backedges. 6074 proven. 3060 refuted. 0 times theorem prover too weak. 2883 trivial. 0 not checked. [2021-11-21 05:17:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 414 states and 1496 transitions. [2021-11-21 05:17:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1496 transitions. [2021-11-21 05:17:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-21 05:17:18,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:18,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12287 backedges. 3374 proven. 8912 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 420 states and 1549 transitions. [2021-11-21 05:17:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1549 transitions. [2021-11-21 05:17:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-21 05:17:24,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:24,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12560 backedges. 6347 proven. 3197 refuted. 0 times theorem prover too weak. 3016 trivial. 0 not checked. [2021-11-21 05:17:26,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 423 states and 1552 transitions. [2021-11-21 05:17:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1552 transitions. [2021-11-21 05:17:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-21 05:17:26,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:26,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12836 backedges. 3518 proven. 9317 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 429 states and 1606 transitions. [2021-11-21 05:17:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1606 transitions. [2021-11-21 05:17:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-21 05:17:32,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:32,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13115 backedges. 6626 proven. 3337 refuted. 0 times theorem prover too weak. 3152 trivial. 0 not checked. [2021-11-21 05:17:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 432 states and 1609 transitions. [2021-11-21 05:17:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1609 transitions. [2021-11-21 05:17:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-21 05:17:35,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:35,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:36,368 INFO L134 CoverageAnalysis]: Checked inductivity of 13397 backedges. 3665 proven. 9731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 438 states and 1664 transitions. [2021-11-21 05:17:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1664 transitions. [2021-11-21 05:17:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-21 05:17:41,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:41,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13682 backedges. 6911 proven. 3480 refuted. 0 times theorem prover too weak. 3291 trivial. 0 not checked. [2021-11-21 05:17:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 441 states and 1667 transitions. [2021-11-21 05:17:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1667 transitions. [2021-11-21 05:17:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-21 05:17:44,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:44,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 13970 backedges. 3815 proven. 10154 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:50,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 447 states and 1723 transitions. [2021-11-21 05:17:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1723 transitions. [2021-11-21 05:17:50,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-21 05:17:50,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:50,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14261 backedges. 7202 proven. 3626 refuted. 0 times theorem prover too weak. 3433 trivial. 0 not checked. [2021-11-21 05:17:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 450 states and 1726 transitions. [2021-11-21 05:17:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1726 transitions. [2021-11-21 05:17:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-21 05:17:53,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:53,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 14555 backedges. 3968 proven. 10586 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:17:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 456 states and 1783 transitions. [2021-11-21 05:17:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1783 transitions. [2021-11-21 05:17:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-21 05:17:59,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:59,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14852 backedges. 7499 proven. 3775 refuted. 0 times theorem prover too weak. 3578 trivial. 0 not checked. [2021-11-21 05:18:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 459 states and 1786 transitions. [2021-11-21 05:18:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1786 transitions. [2021-11-21 05:18:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-21 05:18:02,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:02,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 15152 backedges. 4124 proven. 11027 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:18:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 465 states and 1844 transitions. [2021-11-21 05:18:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1844 transitions. [2021-11-21 05:18:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-21 05:18:09,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:09,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 15455 backedges. 7802 proven. 3927 refuted. 0 times theorem prover too weak. 3726 trivial. 0 not checked. [2021-11-21 05:18:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 468 states and 1847 transitions. [2021-11-21 05:18:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1847 transitions. [2021-11-21 05:18:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-21 05:18:11,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:11,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 15761 backedges. 4283 proven. 11477 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:18:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:18,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 474 states and 1906 transitions. [2021-11-21 05:18:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1906 transitions. [2021-11-21 05:18:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-21 05:18:18,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:18,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16070 backedges. 8111 proven. 4082 refuted. 0 times theorem prover too weak. 3877 trivial. 0 not checked. [2021-11-21 05:18:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 477 states and 1909 transitions. [2021-11-21 05:18:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1909 transitions. [2021-11-21 05:18:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-21 05:18:21,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:21,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16382 backedges. 4445 proven. 11936 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:18:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 483 states and 1969 transitions. [2021-11-21 05:18:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1969 transitions. [2021-11-21 05:18:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-21 05:18:28,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:28,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16697 backedges. 8426 proven. 4240 refuted. 0 times theorem prover too weak. 4031 trivial. 0 not checked. [2021-11-21 05:18:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 486 states and 1972 transitions. [2021-11-21 05:18:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1972 transitions. [2021-11-21 05:18:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-21 05:18:31,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:31,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 17015 backedges. 4610 proven. 12404 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:18:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 492 states and 2033 transitions. [2021-11-21 05:18:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 2033 transitions. [2021-11-21 05:18:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-21 05:18:38,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:38,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 17336 backedges. 8747 proven. 4401 refuted. 0 times theorem prover too weak. 4188 trivial. 0 not checked. [2021-11-21 05:18:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 495 states and 2036 transitions. [2021-11-21 05:18:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 2036 transitions. [2021-11-21 05:18:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-21 05:18:41,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:41,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 17660 backedges. 4778 proven. 12881 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:18:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 501 states and 2098 transitions. [2021-11-21 05:18:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 2098 transitions. [2021-11-21 05:18:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-21 05:18:48,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:48,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 17987 backedges. 9074 proven. 4565 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2021-11-21 05:18:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 504 states and 2101 transitions. [2021-11-21 05:18:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 2101 transitions. [2021-11-21 05:18:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-21 05:18:51,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:51,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 18317 backedges. 4949 proven. 13367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:18:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:18:59,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 510 states and 2164 transitions. [2021-11-21 05:18:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 2164 transitions. [2021-11-21 05:18:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-21 05:18:59,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:18:59,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:18:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:18:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 18650 backedges. 9407 proven. 4732 refuted. 0 times theorem prover too weak. 4511 trivial. 0 not checked. [2021-11-21 05:19:02,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 513 states and 2167 transitions. [2021-11-21 05:19:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 2167 transitions. [2021-11-21 05:19:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-21 05:19:02,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:02,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:03,425 INFO L134 CoverageAnalysis]: Checked inductivity of 18986 backedges. 5123 proven. 13862 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:19:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:10,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 519 states and 2231 transitions. [2021-11-21 05:19:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2231 transitions. [2021-11-21 05:19:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-21 05:19:10,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:10,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 19325 backedges. 9746 proven. 4902 refuted. 0 times theorem prover too weak. 4677 trivial. 0 not checked. [2021-11-21 05:19:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 522 states and 2234 transitions. [2021-11-21 05:19:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2234 transitions. [2021-11-21 05:19:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-21 05:19:13,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:13,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 19667 backedges. 5300 proven. 14366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:19:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 528 states and 2299 transitions. [2021-11-21 05:19:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 2299 transitions. [2021-11-21 05:19:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-21 05:19:20,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:20,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20012 backedges. 10091 proven. 5075 refuted. 0 times theorem prover too weak. 4846 trivial. 0 not checked. [2021-11-21 05:19:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 531 states and 2302 transitions. [2021-11-21 05:19:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 2302 transitions. [2021-11-21 05:19:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-21 05:19:23,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:23,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20360 backedges. 5480 proven. 14879 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:19:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 537 states and 2368 transitions. [2021-11-21 05:19:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2368 transitions. [2021-11-21 05:19:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-21 05:19:31,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:31,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20711 backedges. 10442 proven. 5251 refuted. 0 times theorem prover too weak. 5018 trivial. 0 not checked. [2021-11-21 05:19:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:34,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 540 states and 2371 transitions. [2021-11-21 05:19:34,693 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 2371 transitions. [2021-11-21 05:19:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-21 05:19:34,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:34,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 21065 backedges. 5663 proven. 15401 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:19:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 546 states and 2438 transitions. [2021-11-21 05:19:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2438 transitions. [2021-11-21 05:19:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-21 05:19:42,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:42,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 21422 backedges. 10799 proven. 5430 refuted. 0 times theorem prover too weak. 5193 trivial. 0 not checked. [2021-11-21 05:19:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 549 states and 2441 transitions. [2021-11-21 05:19:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2441 transitions. [2021-11-21 05:19:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-21 05:19:46,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:46,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 21782 backedges. 5849 proven. 15932 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:19:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 555 states and 2509 transitions. [2021-11-21 05:19:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 2509 transitions. [2021-11-21 05:19:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-21 05:19:54,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:54,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 22145 backedges. 11162 proven. 5612 refuted. 0 times theorem prover too weak. 5371 trivial. 0 not checked. [2021-11-21 05:19:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:19:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 558 states and 2512 transitions. [2021-11-21 05:19:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 2512 transitions. [2021-11-21 05:19:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-21 05:19:57,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:19:57,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:19:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:19:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 22511 backedges. 6038 proven. 16472 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:20:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 564 states and 2581 transitions. [2021-11-21 05:20:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 2581 transitions. [2021-11-21 05:20:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-11-21 05:20:06,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:06,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 22880 backedges. 11531 proven. 5797 refuted. 0 times theorem prover too weak. 5552 trivial. 0 not checked. [2021-11-21 05:20:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 567 states and 2584 transitions. [2021-11-21 05:20:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 2584 transitions. [2021-11-21 05:20:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-21 05:20:09,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:09,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23252 backedges. 6230 proven. 17021 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:20:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 573 states and 2654 transitions. [2021-11-21 05:20:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2654 transitions. [2021-11-21 05:20:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-21 05:20:17,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:17,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:18,463 INFO L134 CoverageAnalysis]: Checked inductivity of 23627 backedges. 11906 proven. 5985 refuted. 0 times theorem prover too weak. 5736 trivial. 0 not checked. [2021-11-21 05:20:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 576 states and 2657 transitions. [2021-11-21 05:20:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 2657 transitions. [2021-11-21 05:20:21,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-21 05:20:21,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:21,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 24005 backedges. 6425 proven. 17579 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:20:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 582 states and 2728 transitions. [2021-11-21 05:20:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 2728 transitions. [2021-11-21 05:20:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-21 05:20:30,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:30,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 24386 backedges. 12287 proven. 6176 refuted. 0 times theorem prover too weak. 5923 trivial. 0 not checked. [2021-11-21 05:20:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 585 states and 2731 transitions. [2021-11-21 05:20:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 2731 transitions. [2021-11-21 05:20:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-11-21 05:20:33,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:33,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 24770 backedges. 6623 proven. 18146 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:20:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 591 states and 2803 transitions. [2021-11-21 05:20:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 2803 transitions. [2021-11-21 05:20:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-21 05:20:42,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:42,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 25157 backedges. 12674 proven. 6370 refuted. 0 times theorem prover too weak. 6113 trivial. 0 not checked. [2021-11-21 05:20:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:45,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 594 states and 2806 transitions. [2021-11-21 05:20:45,694 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2806 transitions. [2021-11-21 05:20:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-21 05:20:45,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:45,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 25547 backedges. 6824 proven. 18722 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:20:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 600 states and 2879 transitions. [2021-11-21 05:20:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 2879 transitions. [2021-11-21 05:20:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-21 05:20:54,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:54,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 25940 backedges. 13067 proven. 6567 refuted. 0 times theorem prover too weak. 6306 trivial. 0 not checked. [2021-11-21 05:20:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:20:58,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 603 states and 2882 transitions. [2021-11-21 05:20:58,077 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 2882 transitions. [2021-11-21 05:20:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-21 05:20:58,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:20:58,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:20:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:20:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 7028 proven. 19307 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 609 states and 2956 transitions. [2021-11-21 05:21:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 2956 transitions. [2021-11-21 05:21:07,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-21 05:21:07,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:07,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 26735 backedges. 13466 proven. 6767 refuted. 0 times theorem prover too weak. 6502 trivial. 0 not checked. [2021-11-21 05:21:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 612 states and 2959 transitions. [2021-11-21 05:21:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 2959 transitions. [2021-11-21 05:21:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-11-21 05:21:10,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:10,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 27137 backedges. 7235 proven. 19901 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 618 states and 3034 transitions. [2021-11-21 05:21:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 3034 transitions. [2021-11-21 05:21:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-21 05:21:20,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:20,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 27542 backedges. 13871 proven. 6970 refuted. 0 times theorem prover too weak. 6701 trivial. 0 not checked. [2021-11-21 05:21:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 621 states and 3037 transitions. [2021-11-21 05:21:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 3037 transitions. [2021-11-21 05:21:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-21 05:21:23,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:23,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 27950 backedges. 7445 proven. 20504 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 627 states and 3113 transitions. [2021-11-21 05:21:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 3113 transitions. [2021-11-21 05:21:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-11-21 05:21:33,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:33,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 28361 backedges. 14282 proven. 7176 refuted. 0 times theorem prover too weak. 6903 trivial. 0 not checked. [2021-11-21 05:21:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 630 states and 3116 transitions. [2021-11-21 05:21:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 3116 transitions. [2021-11-21 05:21:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-21 05:21:37,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:37,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 28775 backedges. 7658 proven. 21116 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:21:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 636 states and 3193 transitions. [2021-11-21 05:21:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 3193 transitions. [2021-11-21 05:21:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-21 05:21:47,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:47,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 29192 backedges. 14699 proven. 7385 refuted. 0 times theorem prover too weak. 7108 trivial. 0 not checked. [2021-11-21 05:21:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:21:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 639 states and 3196 transitions. [2021-11-21 05:21:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 3196 transitions. [2021-11-21 05:21:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-21 05:21:50,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:21:50,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:21:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:21:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 29612 backedges. 7874 proven. 21737 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 645 states and 3274 transitions. [2021-11-21 05:22:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 3274 transitions. [2021-11-21 05:22:00,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-21 05:22:00,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:00,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30035 backedges. 15122 proven. 7597 refuted. 0 times theorem prover too weak. 7316 trivial. 0 not checked. [2021-11-21 05:22:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 648 states and 3277 transitions. [2021-11-21 05:22:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 3277 transitions. [2021-11-21 05:22:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-21 05:22:04,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:04,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30461 backedges. 8093 proven. 22367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 654 states and 3356 transitions. [2021-11-21 05:22:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 3356 transitions. [2021-11-21 05:22:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-21 05:22:14,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:14,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30890 backedges. 15551 proven. 7812 refuted. 0 times theorem prover too weak. 7527 trivial. 0 not checked. [2021-11-21 05:22:18,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 657 states and 3359 transitions. [2021-11-21 05:22:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 3359 transitions. [2021-11-21 05:22:18,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-11-21 05:22:18,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:18,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 31322 backedges. 8315 proven. 23006 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:28,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 663 states and 3439 transitions. [2021-11-21 05:22:28,377 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 3439 transitions. [2021-11-21 05:22:28,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-21 05:22:28,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:28,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 31757 backedges. 15986 proven. 8030 refuted. 0 times theorem prover too weak. 7741 trivial. 0 not checked. [2021-11-21 05:22:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 666 states and 3442 transitions. [2021-11-21 05:22:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 3442 transitions. [2021-11-21 05:22:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-11-21 05:22:32,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:32,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32195 backedges. 8540 proven. 23654 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 672 states and 3523 transitions. [2021-11-21 05:22:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 3523 transitions. [2021-11-21 05:22:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-11-21 05:22:41,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:41,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 32636 backedges. 16427 proven. 8251 refuted. 0 times theorem prover too weak. 7958 trivial. 0 not checked. [2021-11-21 05:22:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 675 states and 3526 transitions. [2021-11-21 05:22:45,867 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 3526 transitions. [2021-11-21 05:22:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2021-11-21 05:22:45,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:45,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 33080 backedges. 8768 proven. 24311 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:22:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:22:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 681 states and 3608 transitions. [2021-11-21 05:22:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 3608 transitions. [2021-11-21 05:22:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-21 05:22:55,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:22:55,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:22:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:22:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 33527 backedges. 16874 proven. 8475 refuted. 0 times theorem prover too weak. 8178 trivial. 0 not checked. [2021-11-21 05:23:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 684 states and 3611 transitions. [2021-11-21 05:23:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 3611 transitions. [2021-11-21 05:23:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-21 05:23:00,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:00,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 33977 backedges. 8999 proven. 24977 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 690 states and 3694 transitions. [2021-11-21 05:23:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 3694 transitions. [2021-11-21 05:23:10,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2021-11-21 05:23:10,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:10,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 34430 backedges. 17327 proven. 8702 refuted. 0 times theorem prover too weak. 8401 trivial. 0 not checked. [2021-11-21 05:23:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 693 states and 3697 transitions. [2021-11-21 05:23:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 3697 transitions. [2021-11-21 05:23:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-11-21 05:23:14,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:14,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 34886 backedges. 9233 proven. 25652 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 699 states and 3781 transitions. [2021-11-21 05:23:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 3781 transitions. [2021-11-21 05:23:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-21 05:23:24,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:24,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:25,729 INFO L134 CoverageAnalysis]: Checked inductivity of 35345 backedges. 17786 proven. 8932 refuted. 0 times theorem prover too weak. 8627 trivial. 0 not checked. [2021-11-21 05:23:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 702 states and 3784 transitions. [2021-11-21 05:23:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 3784 transitions. [2021-11-21 05:23:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-21 05:23:29,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:29,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 35807 backedges. 9470 proven. 26336 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 708 states and 3869 transitions. [2021-11-21 05:23:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 3869 transitions. [2021-11-21 05:23:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-21 05:23:39,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:39,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:40,462 INFO L134 CoverageAnalysis]: Checked inductivity of 36272 backedges. 18251 proven. 9165 refuted. 0 times theorem prover too weak. 8856 trivial. 0 not checked. [2021-11-21 05:23:44,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:44,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 711 states and 3872 transitions. [2021-11-21 05:23:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 3872 transitions. [2021-11-21 05:23:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-21 05:23:44,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:44,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 36740 backedges. 9710 proven. 27029 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:23:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 717 states and 3958 transitions. [2021-11-21 05:23:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 3958 transitions. [2021-11-21 05:23:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2021-11-21 05:23:54,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:54,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:23:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 37211 backedges. 18722 proven. 9401 refuted. 0 times theorem prover too weak. 9088 trivial. 0 not checked. [2021-11-21 05:23:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:23:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 720 states and 3961 transitions. [2021-11-21 05:23:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 3961 transitions. [2021-11-21 05:23:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-21 05:23:58,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:23:58,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:23:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 37685 backedges. 9953 proven. 27731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4048 states to 726 states and 4048 transitions. [2021-11-21 05:24:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 4048 transitions. [2021-11-21 05:24:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-21 05:24:09,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:09,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 38162 backedges. 19199 proven. 9640 refuted. 0 times theorem prover too weak. 9323 trivial. 0 not checked. [2021-11-21 05:24:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 729 states and 4051 transitions. [2021-11-21 05:24:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 4051 transitions. [2021-11-21 05:24:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-21 05:24:14,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:14,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 38642 backedges. 10199 proven. 28442 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 735 states and 4139 transitions. [2021-11-21 05:24:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 4139 transitions. [2021-11-21 05:24:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-11-21 05:24:25,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:25,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 39125 backedges. 19682 proven. 9882 refuted. 0 times theorem prover too weak. 9561 trivial. 0 not checked. [2021-11-21 05:24:29,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:29,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 738 states and 4142 transitions. [2021-11-21 05:24:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 4142 transitions. [2021-11-21 05:24:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-11-21 05:24:29,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:29,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 39611 backedges. 10448 proven. 29162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:24:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 744 states and 4231 transitions. [2021-11-21 05:24:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 4231 transitions. [2021-11-21 05:24:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2021-11-21 05:24:41,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:41,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:24:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 40100 backedges. 20171 proven. 10127 refuted. 0 times theorem prover too weak. 9802 trivial. 0 not checked. [2021-11-21 05:24:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:24:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 747 states and 4234 transitions. [2021-11-21 05:24:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 4234 transitions. [2021-11-21 05:24:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-21 05:24:45,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:24:45,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:24:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat