./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ --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 0d6528b7cc69fe4ab1ae178e84639571fa28bd084493b226ea467e9ac1e22d5f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:10:57,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:10:57,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:10:57,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:10:57,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:10:57,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:10:57,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:10:57,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:10:57,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:10:57,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:10:57,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:10:57,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:10:57,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:10:57,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:10:57,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:10:57,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:10:57,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:10:57,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:10:57,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:10:57,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:10:57,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:10:57,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:10:57,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:10:57,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:10:57,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:10:57,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:10:57,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:10:57,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:10:57,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:10:57,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:10:57,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:10:57,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:10:57,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:10:57,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:10:57,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:10:57,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:10:57,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:10:57,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:10:57,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:10:57,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:10:57,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:10:57,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-22 23:10:57,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:10:57,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:10:57,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:10:57,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:10:57,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:10:57,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:10:57,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:10:57,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:10:57,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:10:57,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:10:57,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:10:57,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:10:57,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:10:57,325 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:10:57,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:10:57,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:10:57,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:10:57,326 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:10:57,326 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:10:57,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:10:57,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:57,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:10:57,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:10:57,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:10:57,328 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:10:57,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:10:57,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:10:57,329 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_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d6528b7cc69fe4ab1ae178e84639571fa28bd084493b226ea467e9ac1e22d5f [2021-11-22 23:10:57,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:10:57,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:10:57,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:10:57,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:10:57,672 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:10:57,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c [2021-11-22 23:10:57,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/data/6164710b6/3206aec8005b4070b1957a02407c89c4/FLAG8ac00d206 [2021-11-22 23:10:58,204 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:10:58,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c [2021-11-22 23:10:58,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/data/6164710b6/3206aec8005b4070b1957a02407c89c4/FLAG8ac00d206 [2021-11-22 23:10:58,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/data/6164710b6/3206aec8005b4070b1957a02407c89c4 [2021-11-22 23:10:58,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:10:58,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:10:58,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:58,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:10:58,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:10:58,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192a6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58, skipping insertion in model container [2021-11-22 23:10:58,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:10:58,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:10:58,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:58,877 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:10:58,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:58,902 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:10:58,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58 WrapperNode [2021-11-22 23:10:58,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:58,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:58,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:10:58,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:10:58,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,933 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2021-11-22 23:10:58,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:58,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:10:58,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:10:58,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:10:58,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:10:58,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:10:58,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:10:58,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:10:58,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:58" (1/1) ... [2021-11-22 23:10:58,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:10:58,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:10:59,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc350f06-8ffa-4877-9491-7fe805f89f6a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:10:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:10:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:10:59,104 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:10:59,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:10:59,229 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:10:59,258 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:10:59,259 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:10:59,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:59 BoogieIcfgContainer [2021-11-22 23:10:59,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:10:59,263 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:10:59,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:10:59,275 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:10:59,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:59" (1/1) ... [2021-11-22 23:10:59,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:10:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:59,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-22 23:10:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-22 23:10:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:10:59,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:59,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-22 23:10:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-22 23:10:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:10:59,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:59,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-22 23:10:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-22 23:10:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:10:59,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:59,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:59,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-22 23:10:59,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-22 23:10:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:10:59,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:59,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-22 23:11:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-22 23:11:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:11:00,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-11-22 23:11:00,252 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-22 23:11:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:11:00,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:11:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2021-11-22 23:11:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-22 23:11:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:11:00,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:11:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2021-11-22 23:11:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-11-22 23:11:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:11:00,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:11:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2021-11-22 23:11:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2021-11-22 23:11:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:11:01,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:01,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:11:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-22 23:11:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-22 23:11:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:11:01,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:01,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:11:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2021-11-22 23:11:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2021-11-22 23:11:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:11:01,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:01,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:11:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2021-11-22 23:11:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-22 23:11:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:11:01,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:01,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:11:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-22 23:11:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-22 23:11:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:11:01,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:01,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:11:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-22 23:11:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-22 23:11:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:11:02,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:02,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2021-11-22 23:11:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2021-11-22 23:11:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:11:02,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:02,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2021-11-22 23:11:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2021-11-22 23:11:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:11:02,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:02,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2021-11-22 23:11:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2021-11-22 23:11:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:11:03,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:03,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2021-11-22 23:11:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2021-11-22 23:11:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:11:03,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:03,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 31 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:04,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2021-11-22 23:11:04,013 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2021-11-22 23:11:04,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:11:04,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:04,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 35 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2021-11-22 23:11:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2021-11-22 23:11:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:11:04,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:04,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 39 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2021-11-22 23:11:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2021-11-22 23:11:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:11:04,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:04,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 155 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2021-11-22 23:11:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-22 23:11:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:11:05,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:05,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 47 proven. 187 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2021-11-22 23:11:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2021-11-22 23:11:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:11:05,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:05,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 51 proven. 222 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2021-11-22 23:11:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2021-11-22 23:11:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:11:06,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:06,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:06,283 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 55 proven. 260 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2021-11-22 23:11:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2021-11-22 23:11:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:11:06,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:06,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 59 proven. 301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2021-11-22 23:11:07,227 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2021-11-22 23:11:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:11:07,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:07,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 63 proven. 345 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2021-11-22 23:11:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2021-11-22 23:11:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:11:07,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:07,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 67 proven. 392 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:08,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2021-11-22 23:11:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2021-11-22 23:11:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:11:08,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:08,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 71 proven. 442 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2021-11-22 23:11:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2021-11-22 23:11:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:11:08,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:08,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 75 proven. 495 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2021-11-22 23:11:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2021-11-22 23:11:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:11:09,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:09,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 79 proven. 551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2021-11-22 23:11:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2021-11-22 23:11:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:11:10,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:10,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 83 proven. 610 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2021-11-22 23:11:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2021-11-22 23:11:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:11:10,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:10,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 87 proven. 672 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2021-11-22 23:11:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2021-11-22 23:11:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:11:11,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:11,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:11,519 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 91 proven. 737 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 90 states and 97 transitions. [2021-11-22 23:11:12,032 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2021-11-22 23:11:12,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:11:12,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:12,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 95 proven. 805 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2021-11-22 23:11:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2021-11-22 23:11:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:11:12,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:12,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 99 proven. 876 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2021-11-22 23:11:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2021-11-22 23:11:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:11:13,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:13,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 103 proven. 950 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 99 states and 106 transitions. [2021-11-22 23:11:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2021-11-22 23:11:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:11:14,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:14,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 107 proven. 1027 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2021-11-22 23:11:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2021-11-22 23:11:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:11:14,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:14,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 111 proven. 1107 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2021-11-22 23:11:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2021-11-22 23:11:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:11:15,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:15,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 115 proven. 1190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 108 states and 115 transitions. [2021-11-22 23:11:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2021-11-22 23:11:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:11:16,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:16,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 119 proven. 1276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2021-11-22 23:11:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2021-11-22 23:11:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:11:17,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:17,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 123 proven. 1365 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 114 states and 121 transitions. [2021-11-22 23:11:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2021-11-22 23:11:18,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:11:18,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:18,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 127 proven. 1457 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 117 states and 124 transitions. [2021-11-22 23:11:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2021-11-22 23:11:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:11:19,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:19,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 131 proven. 1552 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2021-11-22 23:11:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2021-11-22 23:11:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 23:11:20,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:20,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 135 proven. 1650 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2021-11-22 23:11:21,608 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2021-11-22 23:11:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 23:11:21,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:21,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 139 proven. 1751 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 126 states and 133 transitions. [2021-11-22 23:11:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 133 transitions. [2021-11-22 23:11:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:11:22,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:22,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 143 proven. 1855 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 129 states and 136 transitions. [2021-11-22 23:11:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2021-11-22 23:11:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:11:23,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:23,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:23,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 147 proven. 1962 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 132 states and 139 transitions. [2021-11-22 23:11:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 139 transitions. [2021-11-22 23:11:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:11:24,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:24,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2225 backedges. 151 proven. 2072 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 135 states and 142 transitions. [2021-11-22 23:11:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 142 transitions. [2021-11-22 23:11:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 23:11:25,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:25,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 155 proven. 2185 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 138 states and 145 transitions. [2021-11-22 23:11:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2021-11-22 23:11:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-22 23:11:26,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:26,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 159 proven. 2301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2021-11-22 23:11:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2021-11-22 23:11:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:11:28,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:28,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 163 proven. 2420 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:29,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2021-11-22 23:11:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2021-11-22 23:11:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:11:29,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:29,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 167 proven. 2542 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 147 states and 154 transitions. [2021-11-22 23:11:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2021-11-22 23:11:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-22 23:11:30,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:30,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2840 backedges. 171 proven. 2667 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 150 states and 157 transitions. [2021-11-22 23:11:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 157 transitions. [2021-11-22 23:11:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:11:31,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:31,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2972 backedges. 175 proven. 2795 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 153 states and 160 transitions. [2021-11-22 23:11:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2021-11-22 23:11:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-22 23:11:32,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:32,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 179 proven. 2926 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 156 states and 163 transitions. [2021-11-22 23:11:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 163 transitions. [2021-11-22 23:11:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:11:33,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:33,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3245 backedges. 183 proven. 3060 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 159 states and 166 transitions. [2021-11-22 23:11:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2021-11-22 23:11:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-22 23:11:35,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:35,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3386 backedges. 187 proven. 3197 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 162 states and 169 transitions. [2021-11-22 23:11:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2021-11-22 23:11:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:11:36,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:36,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:36,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 191 proven. 3337 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 165 states and 172 transitions. [2021-11-22 23:11:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 172 transitions. [2021-11-22 23:11:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-22 23:11:37,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:37,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 195 proven. 3480 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 168 states and 175 transitions. [2021-11-22 23:11:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 175 transitions. [2021-11-22 23:11:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-22 23:11:39,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:39,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3827 backedges. 199 proven. 3626 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 171 states and 178 transitions. [2021-11-22 23:11:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2021-11-22 23:11:40,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:11:40,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:40,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 203 proven. 3775 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 174 states and 181 transitions. [2021-11-22 23:11:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 181 transitions. [2021-11-22 23:11:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-22 23:11:41,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:41,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:41,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4136 backedges. 207 proven. 3927 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 177 states and 184 transitions. [2021-11-22 23:11:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 184 transitions. [2021-11-22 23:11:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-22 23:11:42,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:42,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 211 proven. 4082 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 180 states and 187 transitions. [2021-11-22 23:11:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 187 transitions. [2021-11-22 23:11:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-22 23:11:44,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:44,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4457 backedges. 215 proven. 4240 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:45,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 183 states and 190 transitions. [2021-11-22 23:11:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 190 transitions. [2021-11-22 23:11:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:11:45,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:45,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4622 backedges. 219 proven. 4401 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 186 states and 193 transitions. [2021-11-22 23:11:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 193 transitions. [2021-11-22 23:11:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-22 23:11:47,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:47,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 223 proven. 4565 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 189 states and 196 transitions. [2021-11-22 23:11:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 196 transitions. [2021-11-22 23:11:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:11:48,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:48,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4961 backedges. 227 proven. 4732 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 192 states and 199 transitions. [2021-11-22 23:11:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 199 transitions. [2021-11-22 23:11:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-22 23:11:50,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:50,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 231 proven. 4902 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 195 states and 202 transitions. [2021-11-22 23:11:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 202 transitions. [2021-11-22 23:11:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-22 23:11:51,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:51,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5312 backedges. 235 proven. 5075 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 198 states and 205 transitions. [2021-11-22 23:11:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 205 transitions. [2021-11-22 23:11:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-22 23:11:53,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:53,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5492 backedges. 239 proven. 5251 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 201 states and 208 transitions. [2021-11-22 23:11:54,719 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 208 transitions. [2021-11-22 23:11:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-22 23:11:54,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:54,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5675 backedges. 243 proven. 5430 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 204 states and 211 transitions. [2021-11-22 23:11:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 211 transitions. [2021-11-22 23:11:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-22 23:11:56,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:56,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5861 backedges. 247 proven. 5612 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 207 states and 214 transitions. [2021-11-22 23:11:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 214 transitions. [2021-11-22 23:11:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-22 23:11:57,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:57,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 251 proven. 5797 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 210 states and 217 transitions. [2021-11-22 23:11:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 217 transitions. [2021-11-22 23:11:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-22 23:11:59,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:59,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6242 backedges. 255 proven. 5985 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 213 states and 220 transitions. [2021-11-22 23:12:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 220 transitions. [2021-11-22 23:12:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-22 23:12:01,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 259 proven. 6176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 216 states and 223 transitions. [2021-11-22 23:12:02,633 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 223 transitions. [2021-11-22 23:12:02,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-22 23:12:02,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:02,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6635 backedges. 263 proven. 6370 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 219 states and 226 transitions. [2021-11-22 23:12:04,260 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 226 transitions. [2021-11-22 23:12:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-22 23:12:04,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:04,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6836 backedges. 267 proven. 6567 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 222 states and 229 transitions. [2021-11-22 23:12:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 229 transitions. [2021-11-22 23:12:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-22 23:12:05,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:05,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7040 backedges. 271 proven. 6767 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:07,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 225 states and 232 transitions. [2021-11-22 23:12:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 232 transitions. [2021-11-22 23:12:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-22 23:12:07,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:07,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7247 backedges. 275 proven. 6970 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:09,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 228 states and 235 transitions. [2021-11-22 23:12:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 235 transitions. [2021-11-22 23:12:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-22 23:12:09,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:09,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7457 backedges. 279 proven. 7176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 231 states and 238 transitions. [2021-11-22 23:12:11,098 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 238 transitions. [2021-11-22 23:12:11,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-22 23:12:11,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:11,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7670 backedges. 283 proven. 7385 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 234 states and 241 transitions. [2021-11-22 23:12:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 241 transitions. [2021-11-22 23:12:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-22 23:12:12,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:12,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 287 proven. 7597 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:14,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 237 states and 244 transitions. [2021-11-22 23:12:14,592 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 244 transitions. [2021-11-22 23:12:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-22 23:12:14,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:14,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:14,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8105 backedges. 291 proven. 7812 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:16,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 240 states and 247 transitions. [2021-11-22 23:12:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 247 transitions. [2021-11-22 23:12:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-22 23:12:16,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:16,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8327 backedges. 295 proven. 8030 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 243 states and 250 transitions. [2021-11-22 23:12:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 250 transitions. [2021-11-22 23:12:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-22 23:12:18,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:18,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8552 backedges. 299 proven. 8251 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 246 states and 253 transitions. [2021-11-22 23:12:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 253 transitions. [2021-11-22 23:12:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-22 23:12:20,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:20,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 303 proven. 8475 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 249 states and 256 transitions. [2021-11-22 23:12:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 256 transitions. [2021-11-22 23:12:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-22 23:12:21,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:21,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9011 backedges. 307 proven. 8702 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 252 states and 259 transitions. [2021-11-22 23:12:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 259 transitions. [2021-11-22 23:12:23,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-22 23:12:23,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:23,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9245 backedges. 311 proven. 8932 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 255 states and 262 transitions. [2021-11-22 23:12:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 262 transitions. [2021-11-22 23:12:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-22 23:12:25,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:25,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9482 backedges. 315 proven. 9165 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 258 states and 265 transitions. [2021-11-22 23:12:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 265 transitions. [2021-11-22 23:12:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-22 23:12:27,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9722 backedges. 319 proven. 9401 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:29,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 261 states and 268 transitions. [2021-11-22 23:12:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 268 transitions. [2021-11-22 23:12:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-22 23:12:29,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:29,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 9965 backedges. 323 proven. 9640 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 264 states and 271 transitions. [2021-11-22 23:12:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 271 transitions. [2021-11-22 23:12:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-22 23:12:31,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:31,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10211 backedges. 327 proven. 9882 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 267 states and 274 transitions. [2021-11-22 23:12:33,440 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 274 transitions. [2021-11-22 23:12:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-22 23:12:33,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:33,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10460 backedges. 331 proven. 10127 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 270 states and 277 transitions. [2021-11-22 23:12:35,398 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 277 transitions. [2021-11-22 23:12:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-22 23:12:35,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:35,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 335 proven. 10375 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 273 states and 280 transitions. [2021-11-22 23:12:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 280 transitions. [2021-11-22 23:12:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-22 23:12:37,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:37,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 10967 backedges. 339 proven. 10626 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 276 states and 283 transitions. [2021-11-22 23:12:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 283 transitions. [2021-11-22 23:12:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-22 23:12:39,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:39,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11225 backedges. 343 proven. 10880 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:41,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:41,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 279 states and 286 transitions. [2021-11-22 23:12:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 286 transitions. [2021-11-22 23:12:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-22 23:12:41,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:41,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11486 backedges. 347 proven. 11137 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 282 states and 289 transitions. [2021-11-22 23:12:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 289 transitions. [2021-11-22 23:12:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-22 23:12:43,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:43,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 11750 backedges. 351 proven. 11397 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 285 states and 292 transitions. [2021-11-22 23:12:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 292 transitions. [2021-11-22 23:12:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-22 23:12:45,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:45,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12017 backedges. 355 proven. 11660 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 288 states and 295 transitions. [2021-11-22 23:12:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 295 transitions. [2021-11-22 23:12:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-22 23:12:47,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:47,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12287 backedges. 359 proven. 11926 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:50,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:50,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 291 states and 298 transitions. [2021-11-22 23:12:50,108 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 298 transitions. [2021-11-22 23:12:50,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-22 23:12:50,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:50,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12560 backedges. 363 proven. 12195 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 294 states and 301 transitions. [2021-11-22 23:12:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 301 transitions. [2021-11-22 23:12:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-22 23:12:52,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:52,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12836 backedges. 367 proven. 12467 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:54,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 297 states and 304 transitions. [2021-11-22 23:12:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 304 transitions. [2021-11-22 23:12:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-22 23:12:54,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:54,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 13115 backedges. 371 proven. 12742 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 300 states and 307 transitions. [2021-11-22 23:12:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 307 transitions. [2021-11-22 23:12:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-22 23:12:56,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13397 backedges. 375 proven. 13020 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:12:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:59,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 303 states and 310 transitions. [2021-11-22 23:12:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 310 transitions. [2021-11-22 23:12:59,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-22 23:12:59,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:59,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 13682 backedges. 379 proven. 13301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 306 states and 313 transitions. [2021-11-22 23:13:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 313 transitions. [2021-11-22 23:13:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-22 23:13:01,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:01,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 13970 backedges. 383 proven. 13585 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 309 states and 316 transitions. [2021-11-22 23:13:04,047 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 316 transitions. [2021-11-22 23:13:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-22 23:13:04,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:04,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 14261 backedges. 387 proven. 13872 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 312 states and 319 transitions. [2021-11-22 23:13:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 319 transitions. [2021-11-22 23:13:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-22 23:13:06,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:06,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 14555 backedges. 391 proven. 14162 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 315 states and 322 transitions. [2021-11-22 23:13:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 322 transitions. [2021-11-22 23:13:08,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-22 23:13:08,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:08,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14852 backedges. 395 proven. 14455 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 318 states and 325 transitions. [2021-11-22 23:13:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 325 transitions. [2021-11-22 23:13:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-22 23:13:11,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:11,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 15152 backedges. 399 proven. 14751 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 321 states and 328 transitions. [2021-11-22 23:13:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 328 transitions. [2021-11-22 23:13:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-22 23:13:13,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:13,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 15455 backedges. 403 proven. 15050 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 324 states and 331 transitions. [2021-11-22 23:13:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 331 transitions. [2021-11-22 23:13:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-22 23:13:16,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:16,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 15761 backedges. 407 proven. 15352 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 327 states and 334 transitions. [2021-11-22 23:13:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 334 transitions. [2021-11-22 23:13:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-22 23:13:18,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:18,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16070 backedges. 411 proven. 15657 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 330 states and 337 transitions. [2021-11-22 23:13:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 337 transitions. [2021-11-22 23:13:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-22 23:13:21,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:21,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16382 backedges. 415 proven. 15965 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 333 states and 340 transitions. [2021-11-22 23:13:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 340 transitions. [2021-11-22 23:13:23,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-22 23:13:23,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:23,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 16697 backedges. 419 proven. 16276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 336 states and 343 transitions. [2021-11-22 23:13:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 343 transitions. [2021-11-22 23:13:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-22 23:13:26,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:26,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 17015 backedges. 423 proven. 16590 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 339 states and 346 transitions. [2021-11-22 23:13:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 346 transitions. [2021-11-22 23:13:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-22 23:13:28,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:28,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17336 backedges. 427 proven. 16907 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 342 states and 349 transitions. [2021-11-22 23:13:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 349 transitions. [2021-11-22 23:13:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-22 23:13:31,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:31,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 17660 backedges. 431 proven. 17227 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 345 states and 352 transitions. [2021-11-22 23:13:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 352 transitions. [2021-11-22 23:13:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-22 23:13:33,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:33,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17987 backedges. 435 proven. 17550 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 348 states and 355 transitions. [2021-11-22 23:13:36,466 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 355 transitions. [2021-11-22 23:13:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-22 23:13:36,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:36,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 18317 backedges. 439 proven. 17876 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 351 states and 358 transitions. [2021-11-22 23:13:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 358 transitions. [2021-11-22 23:13:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-22 23:13:39,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:39,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 18650 backedges. 443 proven. 18205 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 354 states and 361 transitions. [2021-11-22 23:13:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 361 transitions. [2021-11-22 23:13:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-22 23:13:41,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:41,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18986 backedges. 447 proven. 18537 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 357 states and 364 transitions. [2021-11-22 23:13:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 364 transitions. [2021-11-22 23:13:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-22 23:13:44,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:44,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 19325 backedges. 451 proven. 18872 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 360 states and 367 transitions. [2021-11-22 23:13:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 367 transitions. [2021-11-22 23:13:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-22 23:13:47,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 19667 backedges. 455 proven. 19210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 363 states and 370 transitions. [2021-11-22 23:13:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 370 transitions. [2021-11-22 23:13:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-22 23:13:49,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:49,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20012 backedges. 459 proven. 19551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 366 states and 373 transitions. [2021-11-22 23:13:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 373 transitions. [2021-11-22 23:13:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-22 23:13:53,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:53,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20360 backedges. 463 proven. 19895 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 369 states and 376 transitions. [2021-11-22 23:13:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 376 transitions. [2021-11-22 23:13:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-22 23:13:55,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:55,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20711 backedges. 467 proven. 20242 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 372 states and 379 transitions. [2021-11-22 23:13:58,916 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 379 transitions. [2021-11-22 23:13:58,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-22 23:13:58,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:58,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 21065 backedges. 471 proven. 20592 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 375 states and 382 transitions. [2021-11-22 23:14:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 382 transitions. [2021-11-22 23:14:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-22 23:14:02,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:02,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 21422 backedges. 475 proven. 20945 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 378 states and 385 transitions. [2021-11-22 23:14:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 385 transitions. [2021-11-22 23:14:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-22 23:14:05,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:05,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 21782 backedges. 479 proven. 21301 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 381 states and 388 transitions. [2021-11-22 23:14:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 388 transitions. [2021-11-22 23:14:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-22 23:14:08,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:08,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 22145 backedges. 483 proven. 21660 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 384 states and 391 transitions. [2021-11-22 23:14:11,376 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 391 transitions. [2021-11-22 23:14:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-22 23:14:11,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:11,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 22511 backedges. 487 proven. 22022 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 387 states and 394 transitions. [2021-11-22 23:14:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 394 transitions. [2021-11-22 23:14:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-11-22 23:14:14,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:14,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 22880 backedges. 491 proven. 22387 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 390 states and 397 transitions. [2021-11-22 23:14:18,179 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 397 transitions. [2021-11-22 23:14:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-22 23:14:18,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:18,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 23252 backedges. 495 proven. 22755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 393 states and 400 transitions. [2021-11-22 23:14:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 400 transitions. [2021-11-22 23:14:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-22 23:14:21,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:21,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 23627 backedges. 499 proven. 23126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 396 states and 403 transitions. [2021-11-22 23:14:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 403 transitions. [2021-11-22 23:14:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-22 23:14:24,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:24,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 24005 backedges. 503 proven. 23500 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:28,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 399 states and 406 transitions. [2021-11-22 23:14:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 406 transitions. [2021-11-22 23:14:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-22 23:14:28,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:28,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 24386 backedges. 507 proven. 23877 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:31,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 402 states and 409 transitions. [2021-11-22 23:14:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 409 transitions. [2021-11-22 23:14:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-11-22 23:14:31,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:31,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:32,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24770 backedges. 511 proven. 24257 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 405 states and 412 transitions. [2021-11-22 23:14:35,087 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 412 transitions. [2021-11-22 23:14:35,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-22 23:14:35,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:35,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 25157 backedges. 515 proven. 24640 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 408 states and 415 transitions. [2021-11-22 23:14:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 415 transitions. [2021-11-22 23:14:38,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-22 23:14:38,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:38,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 25547 backedges. 519 proven. 25026 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 411 states and 418 transitions. [2021-11-22 23:14:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 418 transitions. [2021-11-22 23:14:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-22 23:14:41,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:41,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 25940 backedges. 523 proven. 25415 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 414 states and 421 transitions. [2021-11-22 23:14:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 421 transitions. [2021-11-22 23:14:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-22 23:14:45,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:45,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 527 proven. 25807 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 417 states and 424 transitions. [2021-11-22 23:14:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 424 transitions. [2021-11-22 23:14:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-22 23:14:48,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:48,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 26735 backedges. 531 proven. 26202 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:52,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 420 states and 427 transitions. [2021-11-22 23:14:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 427 transitions. [2021-11-22 23:14:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-11-22 23:14:52,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:52,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 27137 backedges. 535 proven. 26600 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 423 states and 430 transitions. [2021-11-22 23:14:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 430 transitions. [2021-11-22 23:14:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-22 23:14:56,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:56,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 27542 backedges. 539 proven. 27001 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 426 states and 433 transitions. [2021-11-22 23:14:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 433 transitions. [2021-11-22 23:14:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-22 23:14:59,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:59,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 27950 backedges. 543 proven. 27405 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:03,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 429 states and 436 transitions. [2021-11-22 23:15:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 436 transitions. [2021-11-22 23:15:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-11-22 23:15:03,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 28361 backedges. 547 proven. 27812 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 432 states and 439 transitions. [2021-11-22 23:15:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 439 transitions. [2021-11-22 23:15:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-22 23:15:06,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,446 INFO L134 CoverageAnalysis]: Checked inductivity of 28775 backedges. 551 proven. 28222 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 435 states and 442 transitions. [2021-11-22 23:15:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 442 transitions. [2021-11-22 23:15:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-22 23:15:10,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 29192 backedges. 555 proven. 28635 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 438 states and 445 transitions. [2021-11-22 23:15:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 445 transitions. [2021-11-22 23:15:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-22 23:15:14,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:14,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 29612 backedges. 559 proven. 29051 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 441 states and 448 transitions. [2021-11-22 23:15:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 448 transitions. [2021-11-22 23:15:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-22 23:15:17,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:17,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30035 backedges. 563 proven. 29470 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 444 states and 451 transitions. [2021-11-22 23:15:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 451 transitions. [2021-11-22 23:15:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-22 23:15:21,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30461 backedges. 567 proven. 29892 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 447 states and 454 transitions. [2021-11-22 23:15:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 454 transitions. [2021-11-22 23:15:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-22 23:15:25,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:25,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 30890 backedges. 571 proven. 30317 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 450 states and 457 transitions. [2021-11-22 23:15:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 457 transitions. [2021-11-22 23:15:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-11-22 23:15:29,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:29,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 31322 backedges. 575 proven. 30745 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 453 states and 460 transitions. [2021-11-22 23:15:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 460 transitions. [2021-11-22 23:15:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-22 23:15:33,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:33,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 31757 backedges. 579 proven. 31176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 456 states and 463 transitions. [2021-11-22 23:15:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 463 transitions. [2021-11-22 23:15:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-11-22 23:15:37,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:37,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 32195 backedges. 583 proven. 31610 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 459 states and 466 transitions. [2021-11-22 23:15:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 466 transitions. [2021-11-22 23:15:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-11-22 23:15:41,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:41,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32636 backedges. 587 proven. 32047 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 462 states and 469 transitions. [2021-11-22 23:15:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 469 transitions. [2021-11-22 23:15:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2021-11-22 23:15:44,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 33080 backedges. 591 proven. 32487 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 465 states and 472 transitions. [2021-11-22 23:15:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 472 transitions. [2021-11-22 23:15:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-22 23:15:49,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:49,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33527 backedges. 595 proven. 32930 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 468 states and 475 transitions. [2021-11-22 23:15:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 475 transitions. [2021-11-22 23:15:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-22 23:15:53,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 33977 backedges. 599 proven. 33376 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 471 states and 478 transitions. [2021-11-22 23:15:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 478 transitions. [2021-11-22 23:15:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2021-11-22 23:15:57,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:57,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 34430 backedges. 603 proven. 33825 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 474 states and 481 transitions. [2021-11-22 23:16:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 481 transitions. [2021-11-22 23:16:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-11-22 23:16:01,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:01,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 34886 backedges. 607 proven. 34277 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 477 states and 484 transitions. [2021-11-22 23:16:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 484 transitions. [2021-11-22 23:16:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-22 23:16:05,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:05,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 35345 backedges. 611 proven. 34732 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 480 states and 487 transitions. [2021-11-22 23:16:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 487 transitions. [2021-11-22 23:16:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-22 23:16:09,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:09,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 35807 backedges. 615 proven. 35190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 483 states and 490 transitions. [2021-11-22 23:16:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 490 transitions. [2021-11-22 23:16:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-22 23:16:13,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:13,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36272 backedges. 619 proven. 35651 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 486 states and 493 transitions. [2021-11-22 23:16:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 493 transitions. [2021-11-22 23:16:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-22 23:16:18,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:18,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 36740 backedges. 623 proven. 36115 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 489 states and 496 transitions. [2021-11-22 23:16:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 496 transitions. [2021-11-22 23:16:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2021-11-22 23:16:22,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:22,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 37211 backedges. 627 proven. 36582 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 492 states and 499 transitions. [2021-11-22 23:16:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 499 transitions. [2021-11-22 23:16:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-22 23:16:26,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 37685 backedges. 631 proven. 37052 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 495 states and 502 transitions. [2021-11-22 23:16:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 502 transitions. [2021-11-22 23:16:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-22 23:16:31,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 38162 backedges. 635 proven. 37525 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 498 states and 505 transitions. [2021-11-22 23:16:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 505 transitions. [2021-11-22 23:16:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-22 23:16:35,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 38642 backedges. 639 proven. 38001 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 501 states and 508 transitions. [2021-11-22 23:16:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 508 transitions. [2021-11-22 23:16:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-11-22 23:16:39,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:39,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 39125 backedges. 643 proven. 38480 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 504 states and 511 transitions. [2021-11-22 23:16:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 511 transitions. [2021-11-22 23:16:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-11-22 23:16:44,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:44,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 39611 backedges. 647 proven. 38962 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 507 states and 514 transitions. [2021-11-22 23:16:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 514 transitions. [2021-11-22 23:16:49,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2021-11-22 23:16:49,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:49,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 40100 backedges. 651 proven. 39447 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 510 states and 517 transitions. [2021-11-22 23:16:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 517 transitions. [2021-11-22 23:16:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-22 23:16:53,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 40592 backedges. 655 proven. 39935 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 513 states and 520 transitions. [2021-11-22 23:16:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 520 transitions. [2021-11-22 23:16:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-11-22 23:16:58,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:58,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 41087 backedges. 659 proven. 40426 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 516 states and 523 transitions. [2021-11-22 23:17:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 523 transitions. [2021-11-22 23:17:03,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-11-22 23:17:03,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 41585 backedges. 663 proven. 40920 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 519 states and 526 transitions. [2021-11-22 23:17:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 526 transitions. [2021-11-22 23:17:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-11-22 23:17:07,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 42086 backedges. 667 proven. 41417 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 522 states and 529 transitions. [2021-11-22 23:17:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 529 transitions. [2021-11-22 23:17:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2021-11-22 23:17:12,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 42590 backedges. 671 proven. 41917 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 525 states and 532 transitions. [2021-11-22 23:17:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 532 transitions. [2021-11-22 23:17:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-22 23:17:16,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 43097 backedges. 675 proven. 42420 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 528 states and 535 transitions. [2021-11-22 23:17:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 535 transitions. [2021-11-22 23:17:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2021-11-22 23:17:21,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 43607 backedges. 679 proven. 42926 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 531 states and 538 transitions. [2021-11-22 23:17:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 538 transitions. [2021-11-22 23:17:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-11-22 23:17:26,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 44120 backedges. 683 proven. 43435 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 534 states and 541 transitions. [2021-11-22 23:17:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 541 transitions. [2021-11-22 23:17:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-11-22 23:17:31,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 44636 backedges. 687 proven. 43947 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 537 states and 544 transitions. [2021-11-22 23:17:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 544 transitions. [2021-11-22 23:17:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-11-22 23:17:35,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 45155 backedges. 691 proven. 44462 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 540 states and 547 transitions. [2021-11-22 23:17:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 547 transitions. [2021-11-22 23:17:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-22 23:17:40,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 45677 backedges. 695 proven. 44980 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 543 states and 550 transitions. [2021-11-22 23:17:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 550 transitions. [2021-11-22 23:17:46,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-11-22 23:17:46,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 46202 backedges. 699 proven. 45501 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 546 states and 553 transitions. [2021-11-22 23:17:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 553 transitions. [2021-11-22 23:17:51,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-11-22 23:17:51,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 46730 backedges. 703 proven. 46025 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 549 states and 556 transitions. [2021-11-22 23:17:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 556 transitions. [2021-11-22 23:17:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-11-22 23:17:56,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 47261 backedges. 707 proven. 46552 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 552 states and 559 transitions. [2021-11-22 23:18:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 559 transitions. [2021-11-22 23:18:01,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-11-22 23:18:01,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 47795 backedges. 711 proven. 47082 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 555 states and 562 transitions. [2021-11-22 23:18:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 562 transitions. [2021-11-22 23:18:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-11-22 23:18:06,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 48332 backedges. 715 proven. 47615 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 558 states and 565 transitions. [2021-11-22 23:18:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 565 transitions. [2021-11-22 23:18:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-22 23:18:11,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 48872 backedges. 719 proven. 48151 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 561 states and 568 transitions. [2021-11-22 23:18:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 568 transitions. [2021-11-22 23:18:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-11-22 23:18:16,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 49415 backedges. 723 proven. 48690 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 564 states and 571 transitions. [2021-11-22 23:18:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 571 transitions. [2021-11-22 23:18:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-11-22 23:18:22,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 49961 backedges. 727 proven. 49232 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 567 states and 574 transitions. [2021-11-22 23:18:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 574 transitions. [2021-11-22 23:18:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2021-11-22 23:18:27,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 50510 backedges. 731 proven. 49777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 570 states and 577 transitions. [2021-11-22 23:18:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 577 transitions. [2021-11-22 23:18:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-22 23:18:32,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 51062 backedges. 735 proven. 50325 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 573 states and 580 transitions. [2021-11-22 23:18:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 580 transitions. [2021-11-22 23:18:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-11-22 23:18:37,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 51617 backedges. 739 proven. 50876 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 576 states and 583 transitions. [2021-11-22 23:18:42,889 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 583 transitions. [2021-11-22 23:18:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2021-11-22 23:18:42,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 52175 backedges. 743 proven. 51430 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 579 states and 586 transitions. [2021-11-22 23:18:48,087 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 586 transitions. [2021-11-22 23:18:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2021-11-22 23:18:48,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 52736 backedges. 747 proven. 51987 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 582 states and 589 transitions. [2021-11-22 23:18:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 589 transitions. [2021-11-22 23:18:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-11-22 23:18:53,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 53300 backedges. 751 proven. 52547 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 585 states and 592 transitions. [2021-11-22 23:18:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 592 transitions. [2021-11-22 23:18:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-11-22 23:18:58,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 53867 backedges. 755 proven. 53110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 588 states and 595 transitions. [2021-11-22 23:19:04,348 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 595 transitions. [2021-11-22 23:19:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-11-22 23:19:04,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 54437 backedges. 759 proven. 53676 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 591 states and 598 transitions. [2021-11-22 23:19:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 598 transitions. [2021-11-22 23:19:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-11-22 23:19:09,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 55010 backedges. 763 proven. 54245 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 594 states and 601 transitions. [2021-11-22 23:19:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 601 transitions. [2021-11-22 23:19:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2021-11-22 23:19:15,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:15,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 55586 backedges. 767 proven. 54817 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:21,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:21,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 597 states and 604 transitions. [2021-11-22 23:19:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 604 transitions. [2021-11-22 23:19:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2021-11-22 23:19:21,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:21,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 56165 backedges. 771 proven. 55392 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 600 states and 607 transitions. [2021-11-22 23:19:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 607 transitions. [2021-11-22 23:19:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-11-22 23:19:26,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 56747 backedges. 775 proven. 55970 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 603 states and 610 transitions. [2021-11-22 23:19:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 610 transitions. [2021-11-22 23:19:32,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2021-11-22 23:19:32,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 57332 backedges. 779 proven. 56551 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 606 states and 613 transitions. [2021-11-22 23:19:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 613 transitions. [2021-11-22 23:19:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2021-11-22 23:19:38,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:38,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 57920 backedges. 783 proven. 57135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 609 states and 616 transitions. [2021-11-22 23:19:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 616 transitions. [2021-11-22 23:19:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-11-22 23:19:44,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:44,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 58511 backedges. 787 proven. 57722 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 612 states and 619 transitions. [2021-11-22 23:19:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 619 transitions. [2021-11-22 23:19:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-11-22 23:19:50,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,488 INFO L134 CoverageAnalysis]: Checked inductivity of 59105 backedges. 791 proven. 58312 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 615 states and 622 transitions. [2021-11-22 23:19:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 622 transitions. [2021-11-22 23:19:56,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-22 23:19:56,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:56,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 59702 backedges. 795 proven. 58905 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 618 states and 625 transitions. [2021-11-22 23:20:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 625 transitions. [2021-11-22 23:20:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-11-22 23:20:02,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 60302 backedges. 799 proven. 59501 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 621 states and 628 transitions. [2021-11-22 23:20:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 628 transitions. [2021-11-22 23:20:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-11-22 23:20:07,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 60905 backedges. 803 proven. 60100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 624 states and 631 transitions. [2021-11-22 23:20:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 631 transitions. [2021-11-22 23:20:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-11-22 23:20:14,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:14,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 61511 backedges. 807 proven. 60702 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 627 states and 634 transitions. [2021-11-22 23:20:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 634 transitions. [2021-11-22 23:20:20,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-11-22 23:20:20,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:20,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:21,691 INFO L134 CoverageAnalysis]: Checked inductivity of 62120 backedges. 811 proven. 61307 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 630 states and 637 transitions. [2021-11-22 23:20:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 637 transitions. [2021-11-22 23:20:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2021-11-22 23:20:26,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 62732 backedges. 815 proven. 61915 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 633 states and 640 transitions. [2021-11-22 23:20:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 640 transitions. [2021-11-22 23:20:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2021-11-22 23:20:32,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 63347 backedges. 819 proven. 62526 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 636 states and 643 transitions. [2021-11-22 23:20:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 643 transitions. [2021-11-22 23:20:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-11-22 23:20:39,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 63965 backedges. 823 proven. 63140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 639 states and 646 transitions. [2021-11-22 23:20:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 646 transitions. [2021-11-22 23:20:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2021-11-22 23:20:45,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 64586 backedges. 827 proven. 63757 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 642 states and 649 transitions. [2021-11-22 23:20:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 649 transitions. [2021-11-22 23:20:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2021-11-22 23:20:51,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:51,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 65210 backedges. 831 proven. 64377 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 645 states and 652 transitions. [2021-11-22 23:20:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 652 transitions. [2021-11-22 23:20:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-11-22 23:20:58,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 65837 backedges. 835 proven. 65000 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:04,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 648 states and 655 transitions. [2021-11-22 23:21:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 655 transitions. [2021-11-22 23:21:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2021-11-22 23:21:04,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:04,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 66467 backedges. 839 proven. 65626 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 651 states and 658 transitions. [2021-11-22 23:21:11,094 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 658 transitions. [2021-11-22 23:21:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2021-11-22 23:21:11,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 67100 backedges. 843 proven. 66255 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 654 states and 661 transitions. [2021-11-22 23:21:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 661 transitions. [2021-11-22 23:21:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2021-11-22 23:21:17,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 67736 backedges. 847 proven. 66887 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 657 states and 664 transitions. [2021-11-22 23:21:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 664 transitions. [2021-11-22 23:21:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2021-11-22 23:21:23,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:23,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 68375 backedges. 851 proven. 67522 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 660 states and 667 transitions. [2021-11-22 23:21:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 667 transitions. [2021-11-22 23:21:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2021-11-22 23:21:29,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:29,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 69017 backedges. 855 proven. 68160 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 663 states and 670 transitions. [2021-11-22 23:21:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 670 transitions. [2021-11-22 23:21:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-11-22 23:21:36,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 69662 backedges. 859 proven. 68801 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 666 states and 673 transitions. [2021-11-22 23:21:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 673 transitions. [2021-11-22 23:21:43,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2021-11-22 23:21:43,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:43,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 70310 backedges. 863 proven. 69445 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 669 states and 676 transitions. [2021-11-22 23:21:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 676 transitions. [2021-11-22 23:21:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2021-11-22 23:21:49,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:49,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 70961 backedges. 867 proven. 70092 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.