./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/min-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/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_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/min-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9bd7b1a8bed68c803bda82a4dd989302b30da7d6d96131ca67565e0ea166dbcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:41:08,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:41:08,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:41:08,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:41:08,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:41:08,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:41:08,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:41:08,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:41:08,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:41:08,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:41:08,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:41:08,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:41:08,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:41:08,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:41:08,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:41:08,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:41:08,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:41:08,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:41:08,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:41:08,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:41:08,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:41:08,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:41:08,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:41:08,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:41:08,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:41:08,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:41:08,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:41:08,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:41:08,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:41:08,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:41:08,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:41:08,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:41:08,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:41:08,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:41:08,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:41:08,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:41:08,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:41:08,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:41:08,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:41:08,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:41:08,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:41:08,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:41:08,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:41:08,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:41:08,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:41:08,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:41:08,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:41:08,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:41:08,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:41:08,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:41:08,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:41:08,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:41:08,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:41:08,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:41:08,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:41:08,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:41:08,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:41:08,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:41:08,540 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:41:08,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:41:08,540 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:41:08,540 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:41:08,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:41:08,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:08,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:41:08,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:41:08,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:41:08,542 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:41:08,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:41:08,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:41:08,543 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_5c1294f6-9454-4721-b894-339a5002b5a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bd7b1a8bed68c803bda82a4dd989302b30da7d6d96131ca67565e0ea166dbcb [2021-11-23 01:41:08,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:41:08,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:41:08,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:41:08,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:41:08,868 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:41:08,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-multidimensional/min-3-n-u.c [2021-11-23 01:41:08,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/data/7efad5c14/5c526ced4c85444893d7fb92309a7234/FLAG7c59d9572 [2021-11-23 01:41:09,442 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:41:09,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/sv-benchmarks/c/array-multidimensional/min-3-n-u.c [2021-11-23 01:41:09,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/data/7efad5c14/5c526ced4c85444893d7fb92309a7234/FLAG7c59d9572 [2021-11-23 01:41:09,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/data/7efad5c14/5c526ced4c85444893d7fb92309a7234 [2021-11-23 01:41:09,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:41:09,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:41:09,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:09,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:41:09,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:41:09,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:09" (1/1) ... [2021-11-23 01:41:09,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a1d2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:09, skipping insertion in model container [2021-11-23 01:41:09,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:09" (1/1) ... [2021-11-23 01:41:09,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:41:09,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:41:10,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/sv-benchmarks/c/array-multidimensional/min-3-n-u.c[321,334] [2021-11-23 01:41:10,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:10,113 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:41:10,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/sv-benchmarks/c/array-multidimensional/min-3-n-u.c[321,334] [2021-11-23 01:41:10,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:10,151 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:41:10,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10 WrapperNode [2021-11-23 01:41:10,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:10,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:10,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:41:10,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:41:10,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,217 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2021-11-23 01:41:10,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:10,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:41:10,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:41:10,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:41:10,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:41:10,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:41:10,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:41:10,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:41:10,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:10,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:41:10,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:41:10,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c1294f6-9454-4721-b894-339a5002b5a1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:41:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:41:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:41:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:41:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:41:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:41:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:41:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:41:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:41:10,430 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:41:10,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:41:10,613 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:41:10,664 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:41:10,664 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:41:10,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:10 BoogieIcfgContainer [2021-11-23 01:41:10,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:41:10,683 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:41:10,684 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:41:10,707 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:41:10,707 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:10" (1/1) ... [2021-11-23 01:41:10,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:41:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-23 01:41:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-23 01:41:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:41:10,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:10,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:10,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:41:10,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-23 01:41:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-23 01:41:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:41:11,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:11,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:11,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:41:11,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2021-11-23 01:41:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2021-11-23 01:41:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:41:11,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:11,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:11,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:41:11,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2021-11-23 01:41:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2021-11-23 01:41:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:41:11,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:11,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:11,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:41:11,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2021-11-23 01:41:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2021-11-23 01:41:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:41:11,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:11,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:41:12,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2021-11-23 01:41:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2021-11-23 01:41:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:41:12,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:12,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:41:12,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 01:41:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 01:41:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:41:12,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:12,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:41:12,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2021-11-23 01:41:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2021-11-23 01:41:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:41:12,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:12,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:41:12,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-23 01:41:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-23 01:41:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:41:12,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:12,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:12,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:41:12,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2021-11-23 01:41:13,087 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2021-11-23 01:41:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:41:13,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:13,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:13,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:41:13,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2021-11-23 01:41:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2021-11-23 01:41:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:41:13,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:13,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:13,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:41:13,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:13,485 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2021-11-23 01:41:13,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2021-11-23 01:41:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:41:13,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:13,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:13,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:41:13,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2021-11-23 01:41:13,902 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2021-11-23 01:41:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:41:13,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:13,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:13,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:41:13,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2021-11-23 01:41:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-11-23 01:41:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:14,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:14,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:41:14,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2021-11-23 01:41:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2021-11-23 01:41:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:41:14,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:14,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:41:14,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-11-23 01:41:14,760 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-11-23 01:41:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:41:14,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:14,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:41:14,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2021-11-23 01:41:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2021-11-23 01:41:15,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:41:15,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:15,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:15,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:41:15,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:15,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2021-11-23 01:41:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2021-11-23 01:41:15,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:41:15,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:15,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:15,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:41:15,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2021-11-23 01:41:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2021-11-23 01:41:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:15,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:15,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:15,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:41:15,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2021-11-23 01:41:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-11-23 01:41:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:41:16,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:16,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:16,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:41:16,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2021-11-23 01:41:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2021-11-23 01:41:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:41:16,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:16,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:16,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:41:16,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:16,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2021-11-23 01:41:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-23 01:41:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:41:16,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:16,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:16,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:41:16,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2021-11-23 01:41:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2021-11-23 01:41:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:41:17,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:17,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:17,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:41:17,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2021-11-23 01:41:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-23 01:41:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:41:17,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:17,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:17,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:41:17,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2021-11-23 01:41:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2021-11-23 01:41:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:41:18,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:18,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:18,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:41:18,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2021-11-23 01:41:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-11-23 01:41:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:41:18,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:18,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:18,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:41:18,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2021-11-23 01:41:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2021-11-23 01:41:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:41:19,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:19,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:19,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:41:19,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2021-11-23 01:41:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-11-23 01:41:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:41:19,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:19,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:19,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:41:19,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-23 01:41:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-23 01:41:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:20,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:20,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:20,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:41:20,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:20,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2021-11-23 01:41:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2021-11-23 01:41:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:41:20,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:20,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:20,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:41:20,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2021-11-23 01:41:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2021-11-23 01:41:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:41:21,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:21,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:21,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:41:21,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:21,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2021-11-23 01:41:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2021-11-23 01:41:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:41:21,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:21,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:21,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:41:21,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:22,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2021-11-23 01:41:22,073 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2021-11-23 01:41:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:41:22,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:22,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:22,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:41:22,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2021-11-23 01:41:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2021-11-23 01:41:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:41:22,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:22,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:22,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:41:22,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2021-11-23 01:41:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2021-11-23 01:41:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:41:23,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:23,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:23,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:41:23,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2021-11-23 01:41:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2021-11-23 01:41:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:41:23,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:23,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:23,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:41:23,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2021-11-23 01:41:24,196 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2021-11-23 01:41:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:41:24,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:24,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:24,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:41:24,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2021-11-23 01:41:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2021-11-23 01:41:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:41:24,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:24,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:24,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:41:24,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2021-11-23 01:41:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2021-11-23 01:41:25,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:41:25,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:25,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:41:25,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2021-11-23 01:41:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2021-11-23 01:41:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:41:25,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:25,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:41:25,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2021-11-23 01:41:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2021-11-23 01:41:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:41:26,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:26,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:26,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 01:41:26,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-23 01:41:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-23 01:41:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:41:26,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:26,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:27,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:41:27,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2021-11-23 01:41:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-23 01:41:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:41:27,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:27,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:27,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:41:27,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2021-11-23 01:41:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-11-23 01:41:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:41:28,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:28,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:28,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 01:41:28,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2021-11-23 01:41:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2021-11-23 01:41:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:41:28,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:28,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:28,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:41:28,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-23 01:41:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-23 01:41:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:41:29,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:29,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:29,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 01:41:29,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-11-23 01:41:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-23 01:41:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:41:29,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:29,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:29,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:41:29,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2021-11-23 01:41:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-11-23 01:41:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:41:30,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:30,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:30,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:41:30,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-23 01:41:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-23 01:41:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:41:30,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:30,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:30,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:41:30,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2021-11-23 01:41:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-11-23 01:41:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:41:31,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:31,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:31,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:41:31,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2021-11-23 01:41:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-11-23 01:41:32,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:41:32,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:32,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:32,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:41:32,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2021-11-23 01:41:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-11-23 01:41:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:41:32,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:32,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:32,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 01:41:32,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2021-11-23 01:41:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2021-11-23 01:41:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:41:33,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:33,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:33,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:41:33,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-11-23 01:41:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-11-23 01:41:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:41:33,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:33,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:33,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:41:33,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2021-11-23 01:41:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2021-11-23 01:41:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:41:34,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:34,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:34,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 01:41:34,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-11-23 01:41:35,200 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-11-23 01:41:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:41:35,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:35,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:35,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:41:35,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:35,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2021-11-23 01:41:35,809 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2021-11-23 01:41:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:41:35,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:35,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:35,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:41:35,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2021-11-23 01:41:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2021-11-23 01:41:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:41:36,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:36,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:36,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:41:36,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2021-11-23 01:41:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-11-23 01:41:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:41:37,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:37,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:37,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:41:37,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:37,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2021-11-23 01:41:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-23 01:41:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:41:37,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:37,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:37,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 01:41:37,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:38,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2021-11-23 01:41:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2021-11-23 01:41:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:41:38,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:38,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:38,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:41:38,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2021-11-23 01:41:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2021-11-23 01:41:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:41:39,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:39,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:39,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-23 01:41:39,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2021-11-23 01:41:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-11-23 01:41:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:41:39,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:39,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:39,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:39,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-11-23 01:41:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-11-23 01:41:40,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:41:40,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:40,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:40,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 01:41:40,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-11-23 01:41:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-23 01:41:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:41:41,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:41,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:41,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-23 01:41:41,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:41,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2021-11-23 01:41:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2021-11-23 01:41:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:41:42,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-23 01:41:42,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:42,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2021-11-23 01:41:42,700 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-11-23 01:41:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:41:42,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 01:41:42,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:43,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:43,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-11-23 01:41:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-11-23 01:41:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:41:43,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:43,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:43,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 01:41:43,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-11-23 01:41:44,347 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-11-23 01:41:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:41:44,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:44,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:44,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:41:44,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2021-11-23 01:41:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2021-11-23 01:41:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:41:45,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:45,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-23 01:41:45,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:45,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2021-11-23 01:41:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-11-23 01:41:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:41:45,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:45,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:45,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-23 01:41:45,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2021-11-23 01:41:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2021-11-23 01:41:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:41:46,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:46,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:46,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 01:41:46,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2021-11-23 01:41:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2021-11-23 01:41:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:41:47,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:47,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:47,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-23 01:41:47,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2021-11-23 01:41:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2021-11-23 01:41:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:41:48,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:48,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:48,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-23 01:41:48,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2021-11-23 01:41:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-11-23 01:41:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:41:49,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:49,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:49,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-23 01:41:49,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-11-23 01:41:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-23 01:41:50,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:41:50,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:50,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:50,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 01:41:50,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:50,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-11-23 01:41:50,919 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-11-23 01:41:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:41:50,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:50,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:50,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-23 01:41:51,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-23 01:41:51,809 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-23 01:41:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:41:51,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:51,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:51,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-23 01:41:51,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2021-11-23 01:41:52,645 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2021-11-23 01:41:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:41:52,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:52,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:52,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 01:41:52,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2021-11-23 01:41:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2021-11-23 01:41:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:41:53,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:53,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:53,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 01:41:53,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2021-11-23 01:41:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2021-11-23 01:41:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:41:54,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:54,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:54,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-23 01:41:54,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:54,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 99 states and 116 transitions. [2021-11-23 01:41:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-11-23 01:41:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:41:55,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:55,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:55,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-23 01:41:55,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 2 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 100 states and 117 transitions. [2021-11-23 01:41:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2021-11-23 01:41:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:41:56,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:56,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:56,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-23 01:41:56,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 2 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 101 states and 118 transitions. [2021-11-23 01:41:56,911 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2021-11-23 01:41:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:41:56,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:56,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:57,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 01:41:57,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3323 backedges. 2 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2021-11-23 01:41:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2021-11-23 01:41:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 01:41:57,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:57,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:57,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-23 01:41:57,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 103 states and 120 transitions. [2021-11-23 01:41:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2021-11-23 01:41:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:41:58,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:58,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:58,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-23 01:41:58,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 104 states and 121 transitions. [2021-11-23 01:41:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2021-11-23 01:41:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:41:59,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:59,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:59,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-23 01:41:59,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3572 backedges. 2 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 105 states and 122 transitions. [2021-11-23 01:42:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2021-11-23 01:42:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:42:00,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:00,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:00,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 01:42:00,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2021-11-23 01:42:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2021-11-23 01:42:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:42:01,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:01,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:01,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-23 01:42:01,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3743 backedges. 2 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 107 states and 124 transitions. [2021-11-23 01:42:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2021-11-23 01:42:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:42:02,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:02,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:02,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-23 01:42:02,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 2 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 108 states and 125 transitions. [2021-11-23 01:42:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2021-11-23 01:42:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:42:03,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:03,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:03,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-23 01:42:03,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 2 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2021-11-23 01:42:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-11-23 01:42:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:42:04,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:04,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:04,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 01:42:04,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4007 backedges. 2 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 110 states and 127 transitions. [2021-11-23 01:42:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2021-11-23 01:42:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:42:05,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:05,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:05,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-23 01:42:05,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4097 backedges. 2 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 111 states and 128 transitions. [2021-11-23 01:42:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2021-11-23 01:42:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:42:06,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:06,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:06,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-23 01:42:06,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 2 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2021-11-23 01:42:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2021-11-23 01:42:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 01:42:07,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:07,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:07,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-23 01:42:07,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 2 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 113 states and 130 transitions. [2021-11-23 01:42:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2021-11-23 01:42:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:42:08,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:08,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:08,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 01:42:08,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 114 states and 131 transitions. [2021-11-23 01:42:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2021-11-23 01:42:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:42:09,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:09,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:09,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-23 01:42:09,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 2 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:10,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 115 states and 132 transitions. [2021-11-23 01:42:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2021-11-23 01:42:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:42:10,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:10,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:10,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-23 01:42:10,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4562 backedges. 2 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 116 states and 133 transitions. [2021-11-23 01:42:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2021-11-23 01:42:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:42:11,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:11,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:11,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 01:42:11,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 2 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 117 states and 134 transitions. [2021-11-23 01:42:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2021-11-23 01:42:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 01:42:12,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:12,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:12,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 01:42:12,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4755 backedges. 2 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 118 states and 135 transitions. [2021-11-23 01:42:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2021-11-23 01:42:13,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:42:13,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:13,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:13,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-23 01:42:13,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4853 backedges. 2 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:14,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2021-11-23 01:42:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2021-11-23 01:42:14,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 01:42:14,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:14,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:14,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-23 01:42:14,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4952 backedges. 2 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 120 states and 137 transitions. [2021-11-23 01:42:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2021-11-23 01:42:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 01:42:15,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:15,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:15,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-23 01:42:15,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:16,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 2 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 121 states and 138 transitions. [2021-11-23 01:42:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2021-11-23 01:42:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:42:17,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:17,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:17,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 01:42:17,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5153 backedges. 2 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 122 states and 139 transitions. [2021-11-23 01:42:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 139 transitions. [2021-11-23 01:42:18,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 01:42:18,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:18,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:18,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-23 01:42:18,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5255 backedges. 2 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 123 states and 140 transitions. [2021-11-23 01:42:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 140 transitions. [2021-11-23 01:42:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:42:19,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:19,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:19,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-23 01:42:19,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 2 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 124 states and 141 transitions. [2021-11-23 01:42:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-11-23 01:42:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 01:42:20,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:20,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:20,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-23 01:42:20,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 2 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 125 states and 142 transitions. [2021-11-23 01:42:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2021-11-23 01:42:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 01:42:21,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:21,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:21,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 01:42:21,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5567 backedges. 2 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2021-11-23 01:42:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2021-11-23 01:42:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:42:22,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:22,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:22,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-23 01:42:22,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 2 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 127 states and 144 transitions. [2021-11-23 01:42:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2021-11-23 01:42:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 01:42:23,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:23,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:23,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-23 01:42:23,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:24,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 2 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 128 states and 145 transitions. [2021-11-23 01:42:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2021-11-23 01:42:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:42:24,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:24,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:24,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-23 01:42:24,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5888 backedges. 2 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 129 states and 146 transitions. [2021-11-23 01:42:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2021-11-23 01:42:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 01:42:25,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:25,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 01:42:26,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5997 backedges. 2 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 130 states and 147 transitions. [2021-11-23 01:42:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2021-11-23 01:42:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 01:42:27,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:27,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:27,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-23 01:42:27,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6107 backedges. 2 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 131 states and 148 transitions. [2021-11-23 01:42:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2021-11-23 01:42:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:42:28,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:28,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:28,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-23 01:42:28,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 2 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 132 states and 149 transitions. [2021-11-23 01:42:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 149 transitions. [2021-11-23 01:42:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 01:42:29,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:29,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:29,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-23 01:42:29,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6330 backedges. 2 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 133 states and 150 transitions. [2021-11-23 01:42:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 150 transitions. [2021-11-23 01:42:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 01:42:30,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:30,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:30,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 01:42:30,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:31,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 2 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 134 states and 151 transitions. [2021-11-23 01:42:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2021-11-23 01:42:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 01:42:31,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:31,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:31,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-23 01:42:31,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 2 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 135 states and 152 transitions. [2021-11-23 01:42:33,023 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 152 transitions. [2021-11-23 01:42:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 01:42:33,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:33,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:33,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-23 01:42:33,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6672 backedges. 2 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:34,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 136 states and 153 transitions. [2021-11-23 01:42:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2021-11-23 01:42:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:42:34,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:34,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:34,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-23 01:42:34,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6788 backedges. 2 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 137 states and 154 transitions. [2021-11-23 01:42:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 154 transitions. [2021-11-23 01:42:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:42:35,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:35,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:35,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 01:42:35,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6905 backedges. 2 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 138 states and 155 transitions. [2021-11-23 01:42:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 155 transitions. [2021-11-23 01:42:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 01:42:36,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:36,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:36,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-23 01:42:36,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 7023 backedges. 2 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 156 transitions. [2021-11-23 01:42:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 156 transitions. [2021-11-23 01:42:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:42:37,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:37,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:38,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-23 01:42:38,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7142 backedges. 2 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 157 transitions. [2021-11-23 01:42:39,145 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 157 transitions. [2021-11-23 01:42:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:42:39,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:39,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:39,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-23 01:42:39,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7262 backedges. 2 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 141 states and 158 transitions. [2021-11-23 01:42:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 158 transitions. [2021-11-23 01:42:40,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:42:40,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:40,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:40,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 01:42:40,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 2 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 142 states and 159 transitions. [2021-11-23 01:42:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2021-11-23 01:42:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 01:42:41,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:41,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:41,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-23 01:42:41,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 7505 backedges. 2 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:42,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 143 states and 160 transitions. [2021-11-23 01:42:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 160 transitions. [2021-11-23 01:42:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:42:42,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:42,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:43,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-23 01:42:43,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7628 backedges. 2 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 144 states and 161 transitions. [2021-11-23 01:42:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2021-11-23 01:42:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:42:44,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:44,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:44,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-23 01:42:44,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7752 backedges. 2 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 145 states and 162 transitions. [2021-11-23 01:42:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 162 transitions. [2021-11-23 01:42:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 01:42:45,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 01:42:45,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7877 backedges. 2 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 146 states and 163 transitions. [2021-11-23 01:42:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2021-11-23 01:42:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:42:46,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-23 01:42:46,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 2 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 147 states and 164 transitions. [2021-11-23 01:42:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2021-11-23 01:42:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 01:42:48,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:48,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:48,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-23 01:42:48,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8130 backedges. 2 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 148 states and 165 transitions. [2021-11-23 01:42:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2021-11-23 01:42:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 01:42:49,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:49,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:49,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-23 01:42:49,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8258 backedges. 2 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 149 states and 166 transitions. [2021-11-23 01:42:50,864 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 166 transitions. [2021-11-23 01:42:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-23 01:42:50,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:50,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:50,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 01:42:50,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8387 backedges. 2 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 150 states and 167 transitions. [2021-11-23 01:42:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 167 transitions. [2021-11-23 01:42:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:42:52,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:52,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:52,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-23 01:42:52,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8517 backedges. 2 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 151 states and 168 transitions. [2021-11-23 01:42:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2021-11-23 01:42:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:42:53,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:53,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:53,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-23 01:42:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8648 backedges. 2 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 152 states and 169 transitions. [2021-11-23 01:42:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 169 transitions. [2021-11-23 01:42:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:42:54,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:54,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:55,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-23 01:42:55,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 2 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 153 states and 170 transitions. [2021-11-23 01:42:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 170 transitions. [2021-11-23 01:42:56,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 01:42:56,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:56,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:56,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 01:42:56,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 2 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 154 states and 171 transitions. [2021-11-23 01:42:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 171 transitions. [2021-11-23 01:42:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 01:42:57,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:57,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:57,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-23 01:42:57,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9047 backedges. 2 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 155 states and 172 transitions. [2021-11-23 01:42:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 172 transitions. [2021-11-23 01:42:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 01:42:59,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:59,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:59,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-23 01:42:59,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9182 backedges. 2 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:00,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 156 states and 173 transitions. [2021-11-23 01:43:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 173 transitions. [2021-11-23 01:43:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-23 01:43:00,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:00,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:00,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-23 01:43:00,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 9318 backedges. 2 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:02,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 157 states and 174 transitions. [2021-11-23 01:43:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 174 transitions. [2021-11-23 01:43:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:43:02,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:02,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:02,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 01:43:02,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 9455 backedges. 2 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 158 states and 175 transitions. [2021-11-23 01:43:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 175 transitions. [2021-11-23 01:43:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:43:03,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:03,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:03,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-23 01:43:03,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 9593 backedges. 2 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 159 states and 176 transitions. [2021-11-23 01:43:04,851 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 176 transitions. [2021-11-23 01:43:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:43:04,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:04,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:04,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-23 01:43:05,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 160 states and 177 transitions. [2021-11-23 01:43:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 177 transitions. [2021-11-23 01:43:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 01:43:06,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:06,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:06,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-23 01:43:06,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 9872 backedges. 2 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 161 states and 178 transitions. [2021-11-23 01:43:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 178 transitions. [2021-11-23 01:43:07,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 01:43:07,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:07,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:08,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 01:43:08,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10013 backedges. 2 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 162 states and 179 transitions. [2021-11-23 01:43:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2021-11-23 01:43:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:43:09,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:09,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:09,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-23 01:43:09,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10155 backedges. 2 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 163 states and 180 transitions. [2021-11-23 01:43:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2021-11-23 01:43:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:43:10,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:10,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:10,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-23 01:43:11,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10298 backedges. 2 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:12,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 164 states and 181 transitions. [2021-11-23 01:43:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 181 transitions. [2021-11-23 01:43:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:43:12,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:12,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:12,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-23 01:43:12,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 2 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 165 states and 182 transitions. [2021-11-23 01:43:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 182 transitions. [2021-11-23 01:43:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 01:43:13,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:13,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:14,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 01:43:14,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10587 backedges. 2 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 166 states and 183 transitions. [2021-11-23 01:43:15,407 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2021-11-23 01:43:15,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-23 01:43:15,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:15,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:15,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-23 01:43:15,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10733 backedges. 2 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 167 states and 184 transitions. [2021-11-23 01:43:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 184 transitions. [2021-11-23 01:43:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 01:43:16,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:16,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:17,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-23 01:43:17,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 10880 backedges. 2 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 168 states and 185 transitions. [2021-11-23 01:43:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2021-11-23 01:43:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 01:43:18,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:18,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:18,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-23 01:43:18,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 11028 backedges. 2 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 169 states and 186 transitions. [2021-11-23 01:43:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 186 transitions. [2021-11-23 01:43:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:43:20,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:20,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:20,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 01:43:20,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 11177 backedges. 2 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:21,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 170 states and 187 transitions. [2021-11-23 01:43:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 187 transitions. [2021-11-23 01:43:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 01:43:21,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:21,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:21,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-23 01:43:21,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 11327 backedges. 2 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:23,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:23,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 171 states and 188 transitions. [2021-11-23 01:43:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2021-11-23 01:43:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-23 01:43:23,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:23,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:23,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-23 01:43:23,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 11478 backedges. 2 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 172 states and 189 transitions. [2021-11-23 01:43:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 189 transitions. [2021-11-23 01:43:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-23 01:43:24,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:24,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:24,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-23 01:43:24,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11630 backedges. 2 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 173 states and 190 transitions. [2021-11-23 01:43:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 190 transitions. [2021-11-23 01:43:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 01:43:26,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:26,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:26,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 01:43:26,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11783 backedges. 2 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 174 states and 191 transitions. [2021-11-23 01:43:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2021-11-23 01:43:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-23 01:43:28,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:28,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:28,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-23 01:43:28,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 11937 backedges. 2 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:29,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 175 states and 192 transitions. [2021-11-23 01:43:29,820 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2021-11-23 01:43:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 01:43:29,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:29,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:29,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-23 01:43:29,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12092 backedges. 2 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 176 states and 193 transitions. [2021-11-23 01:43:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 193 transitions. [2021-11-23 01:43:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-23 01:43:31,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:31,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:31,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-23 01:43:31,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12248 backedges. 2 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 177 states and 194 transitions. [2021-11-23 01:43:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2021-11-23 01:43:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:43:33,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:33,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:33,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 01:43:33,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12405 backedges. 2 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 178 states and 195 transitions. [2021-11-23 01:43:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2021-11-23 01:43:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 01:43:34,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:34,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:34,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-23 01:43:34,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12563 backedges. 2 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 179 states and 196 transitions. [2021-11-23 01:43:36,580 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 196 transitions. [2021-11-23 01:43:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-23 01:43:36,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:36,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:36,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-23 01:43:36,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12722 backedges. 2 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 180 states and 197 transitions. [2021-11-23 01:43:38,217 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 197 transitions. [2021-11-23 01:43:38,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:43:38,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:38,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:38,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-23 01:43:38,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 2 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 181 states and 198 transitions. [2021-11-23 01:43:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 198 transitions. [2021-11-23 01:43:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:43:39,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:40,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 01:43:40,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 13043 backedges. 2 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 182 states and 199 transitions. [2021-11-23 01:43:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 199 transitions. [2021-11-23 01:43:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:43:41,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:41,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:41,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-23 01:43:41,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13205 backedges. 2 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 183 states and 200 transitions. [2021-11-23 01:43:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 200 transitions. [2021-11-23 01:43:43,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 01:43:43,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 13368 backedges. 2 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:45,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 184 states and 201 transitions. [2021-11-23 01:43:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 201 transitions. [2021-11-23 01:43:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 01:43:45,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 13532 backedges. 2 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 185 states and 202 transitions. [2021-11-23 01:43:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 202 transitions. [2021-11-23 01:43:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 01:43:46,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:47,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 01:43:47,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13697 backedges. 2 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 186 states and 203 transitions. [2021-11-23 01:43:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 203 transitions. [2021-11-23 01:43:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 01:43:48,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 13863 backedges. 2 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 187 states and 204 transitions. [2021-11-23 01:43:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 204 transitions. [2021-11-23 01:43:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 01:43:50,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-23 01:43:50,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14030 backedges. 2 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 188 states and 205 transitions. [2021-11-23 01:43:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 205 transitions. [2021-11-23 01:43:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-23 01:43:52,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14198 backedges. 2 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 189 states and 206 transitions. [2021-11-23 01:43:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 206 transitions. [2021-11-23 01:43:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-23 01:43:53,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:53,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 01:43:54,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 14367 backedges. 2 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 190 states and 207 transitions. [2021-11-23 01:43:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 207 transitions. [2021-11-23 01:43:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 01:43:55,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:56,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-23 01:43:56,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14537 backedges. 2 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2021-11-23 01:43:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2021-11-23 01:43:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 01:43:57,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-23 01:43:57,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14708 backedges. 2 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 192 states and 209 transitions. [2021-11-23 01:43:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 209 transitions. [2021-11-23 01:43:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-23 01:43:59,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:59,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:59,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-23 01:43:59,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 14880 backedges. 2 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2021-11-23 01:44:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2021-11-23 01:44:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 01:44:01,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:01,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:01,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 01:44:01,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 15053 backedges. 2 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 194 states and 211 transitions. [2021-11-23 01:44:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 211 transitions. [2021-11-23 01:44:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 01:44:03,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:03,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:03,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-23 01:44:03,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15227 backedges. 2 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 195 states and 212 transitions. [2021-11-23 01:44:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 212 transitions. [2021-11-23 01:44:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:44:05,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:05,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-23 01:44:05,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 15402 backedges. 2 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 196 states and 213 transitions. [2021-11-23 01:44:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2021-11-23 01:44:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 01:44:07,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:07,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:07,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-23 01:44:07,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 15578 backedges. 2 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 197 states and 214 transitions. [2021-11-23 01:44:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 214 transitions. [2021-11-23 01:44:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-23 01:44:09,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 15755 backedges. 2 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 198 states and 215 transitions. [2021-11-23 01:44:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 215 transitions. [2021-11-23 01:44:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 01:44:10,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:10,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 15933 backedges. 2 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 199 states and 216 transitions. [2021-11-23 01:44:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2021-11-23 01:44:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 01:44:12,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:13,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-23 01:44:13,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 16112 backedges. 2 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 200 states and 217 transitions. [2021-11-23 01:44:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 217 transitions. [2021-11-23 01:44:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:14,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:15,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-23 01:44:15,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 16292 backedges. 2 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 201 states and 218 transitions. [2021-11-23 01:44:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 218 transitions. [2021-11-23 01:44:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 01:44:16,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 01:44:16,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16473 backedges. 2 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 202 states and 219 transitions. [2021-11-23 01:44:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 219 transitions. [2021-11-23 01:44:18,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 01:44:18,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 16655 backedges. 2 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 203 states and 220 transitions. [2021-11-23 01:44:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 220 transitions. [2021-11-23 01:44:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 01:44:20,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-23 01:44:20,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 16838 backedges. 2 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 204 states and 221 transitions. [2021-11-23 01:44:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 221 transitions. [2021-11-23 01:44:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-23 01:44:22,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-23 01:44:23,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 17022 backedges. 2 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 205 states and 222 transitions. [2021-11-23 01:44:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 222 transitions. [2021-11-23 01:44:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 01:44:24,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:24,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 01:44:24,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 17207 backedges. 2 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 206 states and 223 transitions. [2021-11-23 01:44:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 223 transitions. [2021-11-23 01:44:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 01:44:26,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:26,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:26,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-23 01:44:26,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 17393 backedges. 2 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:28,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 207 states and 224 transitions. [2021-11-23 01:44:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 224 transitions. [2021-11-23 01:44:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:44:28,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:28,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:28,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-23 01:44:28,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 17580 backedges. 2 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:30,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 208 states and 225 transitions. [2021-11-23 01:44:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 225 transitions. [2021-11-23 01:44:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 01:44:30,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17768 backedges. 2 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 209 states and 226 transitions. [2021-11-23 01:44:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 226 transitions. [2021-11-23 01:44:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 01:44:32,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:32,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:33,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 01:44:33,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 17957 backedges. 2 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 210 states and 227 transitions. [2021-11-23 01:44:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 227 transitions. [2021-11-23 01:44:34,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 01:44:34,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:35,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-23 01:44:35,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 18147 backedges. 2 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 211 states and 228 transitions. [2021-11-23 01:44:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 228 transitions. [2021-11-23 01:44:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-23 01:44:37,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:37,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:37,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-23 01:44:37,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18338 backedges. 2 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:39,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 212 states and 229 transitions. [2021-11-23 01:44:39,251 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 229 transitions. [2021-11-23 01:44:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-23 01:44:39,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:39,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:39,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-23 01:44:39,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 18530 backedges. 2 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 213 states and 230 transitions. [2021-11-23 01:44:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 230 transitions. [2021-11-23 01:44:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:44:41,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 01:44:41,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 18723 backedges. 2 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 214 states and 231 transitions. [2021-11-23 01:44:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2021-11-23 01:44:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 01:44:43,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:43,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-23 01:44:43,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 18917 backedges. 2 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 215 states and 232 transitions. [2021-11-23 01:44:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 232 transitions. [2021-11-23 01:44:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-23 01:44:45,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:45,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:45,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-23 01:44:45,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 19112 backedges. 2 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 216 states and 233 transitions. [2021-11-23 01:44:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 233 transitions. [2021-11-23 01:44:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-23 01:44:47,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:47,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-23 01:44:47,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 19308 backedges. 2 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 217 states and 234 transitions. [2021-11-23 01:44:49,662 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2021-11-23 01:44:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 01:44:49,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:49,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 01:44:49,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:51,024 INFO L134 CoverageAnalysis]: Checked inductivity of 19505 backedges. 2 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 218 states and 235 transitions. [2021-11-23 01:44:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 235 transitions. [2021-11-23 01:44:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 01:44:51,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-23 01:44:51,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 19703 backedges. 2 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:54,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 219 states and 236 transitions. [2021-11-23 01:44:54,004 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 236 transitions. [2021-11-23 01:44:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-23 01:44:54,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:54,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-23 01:44:54,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 19902 backedges. 2 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 220 states and 237 transitions. [2021-11-23 01:44:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 237 transitions. [2021-11-23 01:44:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 01:44:56,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-23 01:44:56,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 20102 backedges. 2 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 221 states and 238 transitions. [2021-11-23 01:44:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 238 transitions. [2021-11-23 01:44:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 01:44:58,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 01:44:58,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20303 backedges. 2 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 222 states and 239 transitions. [2021-11-23 01:45:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2021-11-23 01:45:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-23 01:45:00,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-23 01:45:00,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20505 backedges. 2 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 223 states and 240 transitions. [2021-11-23 01:45:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2021-11-23 01:45:02,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 01:45:02,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-23 01:45:03,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20708 backedges. 2 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 224 states and 241 transitions. [2021-11-23 01:45:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 241 transitions. [2021-11-23 01:45:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-23 01:45:05,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:05,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:05,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-23 01:45:05,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 20912 backedges. 2 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:07,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 225 states and 242 transitions. [2021-11-23 01:45:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 242 transitions. [2021-11-23 01:45:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-23 01:45:07,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 01:45:07,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21117 backedges. 2 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 226 states and 243 transitions. [2021-11-23 01:45:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 243 transitions. [2021-11-23 01:45:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 01:45:09,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-23 01:45:09,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 21323 backedges. 2 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 227 states and 244 transitions. [2021-11-23 01:45:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 244 transitions. [2021-11-23 01:45:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-23 01:45:11,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-23 01:45:12,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 21530 backedges. 2 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 228 states and 245 transitions. [2021-11-23 01:45:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 245 transitions. [2021-11-23 01:45:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-23 01:45:14,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-23 01:45:14,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 21738 backedges. 2 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 229 states and 246 transitions. [2021-11-23 01:45:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 246 transitions. [2021-11-23 01:45:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 01:45:16,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:16,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:16,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 01:45:16,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 21947 backedges. 2 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:18,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 230 states and 247 transitions. [2021-11-23 01:45:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 247 transitions. [2021-11-23 01:45:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 01:45:18,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:19,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-23 01:45:19,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 22157 backedges. 2 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:21,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 231 states and 248 transitions. [2021-11-23 01:45:21,024 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 248 transitions. [2021-11-23 01:45:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-23 01:45:21,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:21,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-23 01:45:21,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 22368 backedges. 2 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 232 states and 249 transitions. [2021-11-23 01:45:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 249 transitions. [2021-11-23 01:45:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-23 01:45:23,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:23,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:23,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-23 01:45:23,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 22580 backedges. 2 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 233 states and 250 transitions. [2021-11-23 01:45:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2021-11-23 01:45:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-23 01:45:25,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 01:45:25,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 22793 backedges. 2 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 234 states and 251 transitions. [2021-11-23 01:45:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 251 transitions. [2021-11-23 01:45:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 01:45:28,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-23 01:45:28,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 23007 backedges. 2 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 235 states and 252 transitions. [2021-11-23 01:45:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 252 transitions. [2021-11-23 01:45:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-23 01:45:30,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-23 01:45:30,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 23222 backedges. 2 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 236 states and 253 transitions. [2021-11-23 01:45:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 253 transitions. [2021-11-23 01:45:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-23 01:45:32,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:32,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:32,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-23 01:45:32,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 23438 backedges. 2 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 237 states and 254 transitions. [2021-11-23 01:45:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 254 transitions. [2021-11-23 01:45:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-23 01:45:35,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:35,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 01:45:35,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 23655 backedges. 2 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 238 states and 255 transitions. [2021-11-23 01:45:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 255 transitions. [2021-11-23 01:45:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-23 01:45:37,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:37,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-23 01:45:37,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 23873 backedges. 2 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 239 states and 256 transitions. [2021-11-23 01:45:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 256 transitions. [2021-11-23 01:45:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-23 01:45:39,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-23 01:45:40,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:41,434 INFO L134 CoverageAnalysis]: Checked inductivity of 24092 backedges. 2 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 240 states and 257 transitions. [2021-11-23 01:45:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 257 transitions. [2021-11-23 01:45:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 01:45:42,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-23 01:45:42,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 24312 backedges. 2 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 241 states and 258 transitions. [2021-11-23 01:45:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 258 transitions. [2021-11-23 01:45:44,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 01:45:44,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:45,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 01:45:45,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 24533 backedges. 2 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 242 states and 259 transitions. [2021-11-23 01:45:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 259 transitions. [2021-11-23 01:45:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-23 01:45:47,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:47,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-23 01:45:47,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 24755 backedges. 2 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:49,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 243 states and 260 transitions. [2021-11-23 01:45:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2021-11-23 01:45:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-23 01:45:49,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:49,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:50,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-23 01:45:50,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24978 backedges. 2 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 244 states and 261 transitions. [2021-11-23 01:45:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 261 transitions. [2021-11-23 01:45:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 01:45:52,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-23 01:45:52,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 25202 backedges. 2 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 245 states and 262 transitions. [2021-11-23 01:45:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2021-11-23 01:45:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 01:45:54,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 01:45:55,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 25427 backedges. 2 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 246 states and 263 transitions. [2021-11-23 01:45:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 263 transitions. [2021-11-23 01:45:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-23 01:45:57,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:57,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:57,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-23 01:45:57,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 25653 backedges. 2 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 247 states and 264 transitions. [2021-11-23 01:45:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 264 transitions. [2021-11-23 01:45:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-23 01:45:59,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:59,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:00,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1455 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-23 01:46:00,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 25880 backedges. 2 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 248 states and 265 transitions. [2021-11-23 01:46:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 265 transitions. [2021-11-23 01:46:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 01:46:02,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:02,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:02,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-23 01:46:02,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 26108 backedges. 2 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:04,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 249 states and 266 transitions. [2021-11-23 01:46:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2021-11-23 01:46:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-23 01:46:04,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:04,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:05,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-23 01:46:05,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 26337 backedges. 2 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 250 states and 267 transitions. [2021-11-23 01:46:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 267 transitions. [2021-11-23 01:46:07,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 01:46:07,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:07,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:07,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-23 01:46:07,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 26567 backedges. 2 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:09,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 251 states and 268 transitions. [2021-11-23 01:46:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 268 transitions. [2021-11-23 01:46:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 01:46:09,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 1479 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-23 01:46:10,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 26798 backedges. 2 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 252 states and 269 transitions. [2021-11-23 01:46:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 269 transitions. [2021-11-23 01:46:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-23 01:46:12,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:12,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:12,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-23 01:46:12,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 27030 backedges. 2 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 253 states and 270 transitions. [2021-11-23 01:46:15,203 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2021-11-23 01:46:15,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-23 01:46:15,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:15,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:15,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-23 01:46:15,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 27263 backedges. 2 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 254 states and 271 transitions. [2021-11-23 01:46:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2021-11-23 01:46:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-23 01:46:17,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:17,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:18,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-23 01:46:18,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 27497 backedges. 2 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:20,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 255 states and 272 transitions. [2021-11-23 01:46:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 272 transitions. [2021-11-23 01:46:20,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-23 01:46:20,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:20,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:20,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-23 01:46:20,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 27732 backedges. 2 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 256 states and 273 transitions. [2021-11-23 01:46:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2021-11-23 01:46:23,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-23 01:46:23,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:23,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:23,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-23 01:46:23,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 27968 backedges. 2 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 257 states and 274 transitions. [2021-11-23 01:46:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 274 transitions. [2021-11-23 01:46:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-23 01:46:25,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:25,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:26,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-23 01:46:26,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 28205 backedges. 2 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 258 states and 275 transitions. [2021-11-23 01:46:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 275 transitions. [2021-11-23 01:46:28,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-23 01:46:28,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:28,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:28,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-23 01:46:28,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 28443 backedges. 2 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 259 states and 276 transitions. [2021-11-23 01:46:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 276 transitions. [2021-11-23 01:46:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-23 01:46:31,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:31,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:31,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-23 01:46:31,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 28682 backedges. 2 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 260 states and 277 transitions. [2021-11-23 01:46:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 277 transitions. [2021-11-23 01:46:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-23 01:46:33,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:33,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:34,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-23 01:46:34,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 28922 backedges. 2 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 261 states and 278 transitions. [2021-11-23 01:46:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 278 transitions. [2021-11-23 01:46:36,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-23 01:46:36,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:36,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:36,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-23 01:46:36,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 29163 backedges. 2 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 262 states and 279 transitions. [2021-11-23 01:46:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 279 transitions. [2021-11-23 01:46:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 01:46:39,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:39,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:39,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-23 01:46:39,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 29405 backedges. 2 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:42,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 263 states and 280 transitions. [2021-11-23 01:46:42,037 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 280 transitions. [2021-11-23 01:46:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-23 01:46:42,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:42,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:42,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 1551 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-23 01:46:42,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 29648 backedges. 2 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 264 states and 281 transitions. [2021-11-23 01:46:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 281 transitions. [2021-11-23 01:46:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-23 01:46:44,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:44,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:44,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 1557 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-23 01:46:44,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 29892 backedges. 2 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:47,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 265 states and 282 transitions. [2021-11-23 01:46:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 282 transitions. [2021-11-23 01:46:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-23 01:46:47,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:47,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:47,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-23 01:46:47,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30137 backedges. 2 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 266 states and 283 transitions. [2021-11-23 01:46:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 283 transitions. [2021-11-23 01:46:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 01:46:50,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:50,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:50,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-23 01:46:50,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30383 backedges. 2 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 267 states and 284 transitions. [2021-11-23 01:46:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 284 transitions. [2021-11-23 01:46:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 01:46:52,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:52,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:53,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-23 01:46:53,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30630 backedges. 2 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 268 states and 285 transitions. [2021-11-23 01:46:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 285 transitions. [2021-11-23 01:46:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-23 01:46:55,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:55,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:55,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-23 01:46:55,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30878 backedges. 2 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 269 states and 286 transitions. [2021-11-23 01:46:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 286 transitions. [2021-11-23 01:46:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 01:46:58,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:58,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:58,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1587 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-23 01:46:58,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 31127 backedges. 2 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 270 states and 287 transitions. [2021-11-23 01:47:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 287 transitions. [2021-11-23 01:47:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-23 01:47:01,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:01,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-23 01:47:01,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 31377 backedges. 2 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 271 states and 288 transitions. [2021-11-23 01:47:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 288 transitions. [2021-11-23 01:47:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 01:47:04,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:04,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:04,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-23 01:47:04,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 31628 backedges. 2 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 272 states and 289 transitions. [2021-11-23 01:47:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 289 transitions. [2021-11-23 01:47:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 01:47:07,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:07,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:07,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-23 01:47:07,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 31880 backedges. 2 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 273 states and 290 transitions. [2021-11-23 01:47:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 290 transitions. [2021-11-23 01:47:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-23 01:47:10,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:10,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:10,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-23 01:47:10,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 32133 backedges. 2 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 274 states and 291 transitions. [2021-11-23 01:47:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 291 transitions. [2021-11-23 01:47:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-23 01:47:12,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:12,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:13,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-23 01:47:13,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 32387 backedges. 2 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 275 states and 292 transitions. [2021-11-23 01:47:15,772 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 292 transitions. [2021-11-23 01:47:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-23 01:47:15,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:15,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:16,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-23 01:47:16,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 32642 backedges. 2 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 276 states and 293 transitions. [2021-11-23 01:47:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 293 transitions. [2021-11-23 01:47:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 01:47:18,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:18,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:18,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-23 01:47:18,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 32898 backedges. 2 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 277 states and 294 transitions. [2021-11-23 01:47:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 294 transitions. [2021-11-23 01:47:21,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 01:47:21,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:21,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:21,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-23 01:47:21,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 33155 backedges. 2 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 278 states and 295 transitions. [2021-11-23 01:47:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 295 transitions. [2021-11-23 01:47:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-23 01:47:24,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:24,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:24,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 1641 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-23 01:47:24,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 33413 backedges. 2 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 279 states and 296 transitions. [2021-11-23 01:47:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 296 transitions. [2021-11-23 01:47:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-23 01:47:27,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-23 01:47:28,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 2 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 280 states and 297 transitions. [2021-11-23 01:47:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 297 transitions. [2021-11-23 01:47:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-23 01:47:30,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 1653 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-23 01:47:30,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 33932 backedges. 2 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 281 states and 298 transitions. [2021-11-23 01:47:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 298 transitions. [2021-11-23 01:47:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-23 01:47:33,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-23 01:47:33,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 34193 backedges. 2 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 282 states and 299 transitions. [2021-11-23 01:47:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 299 transitions. [2021-11-23 01:47:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-23 01:47:36,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:36,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:37,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-23 01:47:37,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:38,605 INFO L134 CoverageAnalysis]: Checked inductivity of 34455 backedges. 2 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:39,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 283 states and 300 transitions. [2021-11-23 01:47:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 300 transitions. [2021-11-23 01:47:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 01:47:39,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:39,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:39,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-23 01:47:39,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 34718 backedges. 2 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 284 states and 301 transitions. [2021-11-23 01:47:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 301 transitions. [2021-11-23 01:47:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-23 01:47:42,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:42,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:42,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1677 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-23 01:47:42,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 34982 backedges. 2 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 285 states and 302 transitions. [2021-11-23 01:47:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 302 transitions. [2021-11-23 01:47:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 01:47:45,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:45,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-23 01:47:46,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 35247 backedges. 2 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 286 states and 303 transitions. [2021-11-23 01:47:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 303 transitions. [2021-11-23 01:47:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-23 01:47:49,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:49,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:49,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-23 01:47:49,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 35513 backedges. 2 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 287 states and 304 transitions. [2021-11-23 01:47:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 304 transitions. [2021-11-23 01:47:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-23 01:47:52,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:52,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:52,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-23 01:47:52,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 35780 backedges. 2 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 288 states and 305 transitions. [2021-11-23 01:47:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 305 transitions. [2021-11-23 01:47:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 01:47:55,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:55,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:55,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-23 01:47:55,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 36048 backedges. 2 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 289 states and 306 transitions. [2021-11-23 01:47:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 306 transitions. [2021-11-23 01:47:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 01:47:58,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:58,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:59,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-23 01:47:59,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36317 backedges. 2 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 290 states and 307 transitions. [2021-11-23 01:48:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 307 transitions. [2021-11-23 01:48:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-23 01:48:01,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:01,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:02,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-23 01:48:02,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 36587 backedges. 2 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 291 states and 308 transitions. [2021-11-23 01:48:04,889 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 308 transitions. [2021-11-23 01:48:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 01:48:04,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:04,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:05,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-23 01:48:05,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 36858 backedges. 2 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 292 states and 309 transitions. [2021-11-23 01:48:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 309 transitions. [2021-11-23 01:48:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 01:48:08,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:08,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:08,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-23 01:48:08,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:10,260 INFO L134 CoverageAnalysis]: Checked inductivity of 37130 backedges. 2 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 293 states and 310 transitions. [2021-11-23 01:48:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 310 transitions. [2021-11-23 01:48:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 01:48:11,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:11,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:11,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-23 01:48:11,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 37403 backedges. 2 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:14,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 294 states and 311 transitions. [2021-11-23 01:48:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 311 transitions. [2021-11-23 01:48:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 01:48:14,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:14,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:14,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-23 01:48:14,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 37677 backedges. 2 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 295 states and 312 transitions. [2021-11-23 01:48:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 312 transitions. [2021-11-23 01:48:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 01:48:18,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:18,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:18,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1743 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-23 01:48:18,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 37952 backedges. 2 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 296 states and 313 transitions. [2021-11-23 01:48:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 313 transitions. [2021-11-23 01:48:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-23 01:48:21,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:21,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:21,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1749 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-23 01:48:21,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 38228 backedges. 2 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 297 states and 314 transitions. [2021-11-23 01:48:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 314 transitions. [2021-11-23 01:48:24,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 01:48:24,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-23 01:48:24,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:26,680 INFO L134 CoverageAnalysis]: Checked inductivity of 38505 backedges. 2 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 298 states and 315 transitions. [2021-11-23 01:48:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 315 transitions. [2021-11-23 01:48:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 01:48:27,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:27,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-23 01:48:28,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 38783 backedges. 2 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 299 states and 316 transitions. [2021-11-23 01:48:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 316 transitions. [2021-11-23 01:48:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 01:48:31,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:31,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:31,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-23 01:48:31,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 39062 backedges. 2 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:34,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 300 states and 317 transitions. [2021-11-23 01:48:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 317 transitions. [2021-11-23 01:48:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-23 01:48:34,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:34,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:34,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-23 01:48:34,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 39342 backedges. 2 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 301 states and 318 transitions. [2021-11-23 01:48:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 318 transitions. [2021-11-23 01:48:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-23 01:48:38,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:38,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:38,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-23 01:48:38,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 39623 backedges. 2 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 302 states and 319 transitions. [2021-11-23 01:48:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 319 transitions. [2021-11-23 01:48:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-23 01:48:41,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:41,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:41,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-23 01:48:41,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39905 backedges. 2 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 303 states and 320 transitions. [2021-11-23 01:48:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 320 transitions. [2021-11-23 01:48:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-23 01:48:44,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:44,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:44,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-23 01:48:44,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 40188 backedges. 2 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 304 states and 321 transitions. [2021-11-23 01:48:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 321 transitions. [2021-11-23 01:48:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 01:48:48,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:48,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:48,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-23 01:48:48,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 40472 backedges. 2 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 305 states and 322 transitions. [2021-11-23 01:48:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 322 transitions. [2021-11-23 01:48:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-23 01:48:51,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:51,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:51,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 1803 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-23 01:48:51,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 40757 backedges. 2 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 306 states and 323 transitions. [2021-11-23 01:48:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 323 transitions. [2021-11-23 01:48:54,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-23 01:48:54,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:54,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:55,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-23 01:48:55,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 41043 backedges. 2 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 307 states and 324 transitions. [2021-11-23 01:48:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 324 transitions. [2021-11-23 01:48:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-23 01:48:58,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:58,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:58,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-23 01:48:58,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 41330 backedges. 2 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 308 states and 325 transitions. [2021-11-23 01:49:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 325 transitions. [2021-11-23 01:49:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-23 01:49:01,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:01,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:02,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-23 01:49:02,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 41618 backedges. 2 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 309 states and 326 transitions. [2021-11-23 01:49:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 326 transitions. [2021-11-23 01:49:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 01:49:04,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:04,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 1827 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-23 01:49:05,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 41907 backedges. 2 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 310 states and 327 transitions. [2021-11-23 01:49:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 327 transitions. [2021-11-23 01:49:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 01:49:08,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:08,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:08,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1833 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-23 01:49:08,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 42197 backedges. 2 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:11,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 311 states and 328 transitions. [2021-11-23 01:49:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 328 transitions. [2021-11-23 01:49:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-23 01:49:11,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:12,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-23 01:49:12,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 42488 backedges. 2 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 312 states and 329 transitions. [2021-11-23 01:49:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 329 transitions. [2021-11-23 01:49:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-23 01:49:15,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:15,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:15,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1845 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-23 01:49:15,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 42780 backedges. 2 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 313 states and 330 transitions. [2021-11-23 01:49:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 330 transitions. [2021-11-23 01:49:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-23 01:49:18,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:18,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:18,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 1851 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-23 01:49:18,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 43073 backedges. 2 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 314 states and 331 transitions. [2021-11-23 01:49:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 331 transitions. [2021-11-23 01:49:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-23 01:49:21,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:21,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:22,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1857 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-23 01:49:22,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 43367 backedges. 2 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:25,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:25,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 315 states and 332 transitions. [2021-11-23 01:49:25,227 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 332 transitions. [2021-11-23 01:49:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-23 01:49:25,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:25,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:25,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1863 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-23 01:49:25,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 43662 backedges. 2 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 316 states and 333 transitions. [2021-11-23 01:49:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 333 transitions. [2021-11-23 01:49:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 01:49:28,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:28,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:29,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1869 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-23 01:49:29,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 43958 backedges. 2 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:32,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 317 states and 334 transitions. [2021-11-23 01:49:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 334 transitions. [2021-11-23 01:49:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-23 01:49:32,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:32,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:32,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-23 01:49:32,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 44255 backedges. 2 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:35,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 318 states and 335 transitions. [2021-11-23 01:49:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 335 transitions. [2021-11-23 01:49:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-23 01:49:35,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:35,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:36,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-23 01:49:36,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 44553 backedges. 2 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 319 states and 336 transitions. [2021-11-23 01:49:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 336 transitions. [2021-11-23 01:49:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-23 01:49:38,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:38,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:39,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-23 01:49:39,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 44852 backedges. 2 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:42,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 320 states and 337 transitions. [2021-11-23 01:49:42,489 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 337 transitions. [2021-11-23 01:49:42,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-23 01:49:42,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:42,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:42,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1893 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-23 01:49:42,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 45152 backedges. 2 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 321 states and 338 transitions. [2021-11-23 01:49:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 338 transitions. [2021-11-23 01:49:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-23 01:49:45,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:45,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:45,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1899 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-23 01:49:45,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 45453 backedges. 2 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 322 states and 339 transitions. [2021-11-23 01:49:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 339 transitions. [2021-11-23 01:49:49,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-23 01:49:49,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:49,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:49,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 1905 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-23 01:49:49,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 45755 backedges. 2 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 323 states and 340 transitions. [2021-11-23 01:49:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 340 transitions. [2021-11-23 01:49:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-23 01:49:52,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:52,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:52,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1911 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-23 01:49:52,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 46058 backedges. 2 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 324 states and 341 transitions. [2021-11-23 01:49:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 341 transitions. [2021-11-23 01:49:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-23 01:49:56,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:56,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:56,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-23 01:49:56,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 46362 backedges. 2 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 325 states and 342 transitions. [2021-11-23 01:49:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 342 transitions. [2021-11-23 01:49:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 01:49:59,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:59,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:59,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-23 01:49:59,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 46667 backedges. 2 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:02,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:02,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 326 states and 343 transitions. [2021-11-23 01:50:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 343 transitions. [2021-11-23 01:50:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-23 01:50:02,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:02,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:02,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-23 01:50:02,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 46973 backedges. 2 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 327 states and 344 transitions. [2021-11-23 01:50:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 344 transitions. [2021-11-23 01:50:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-23 01:50:05,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:05,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:06,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-23 01:50:06,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:07,881 INFO L134 CoverageAnalysis]: Checked inductivity of 47280 backedges. 2 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:09,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 328 states and 345 transitions. [2021-11-23 01:50:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 345 transitions. [2021-11-23 01:50:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-23 01:50:09,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:09,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:09,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1941 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-23 01:50:09,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 47588 backedges. 2 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 329 states and 346 transitions. [2021-11-23 01:50:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 346 transitions. [2021-11-23 01:50:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-23 01:50:12,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:12,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:12,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-23 01:50:12,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 47897 backedges. 2 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 330 states and 347 transitions. [2021-11-23 01:50:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 347 transitions. [2021-11-23 01:50:16,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-23 01:50:16,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:16,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-23 01:50:16,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 48207 backedges. 2 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:19,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 331 states and 348 transitions. [2021-11-23 01:50:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 348 transitions. [2021-11-23 01:50:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 01:50:19,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:19,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:19,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1959 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-23 01:50:19,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 48518 backedges. 2 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 332 states and 349 transitions. [2021-11-23 01:50:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 349 transitions. [2021-11-23 01:50:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-23 01:50:22,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:22,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:23,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-23 01:50:23,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 48830 backedges. 2 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 333 states and 350 transitions. [2021-11-23 01:50:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 350 transitions. [2021-11-23 01:50:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-23 01:50:26,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:26,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:26,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-23 01:50:26,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 49143 backedges. 2 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 334 states and 351 transitions. [2021-11-23 01:50:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 351 transitions. [2021-11-23 01:50:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-23 01:50:29,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:29,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:29,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1977 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-23 01:50:29,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 49457 backedges. 2 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 335 states and 352 transitions. [2021-11-23 01:50:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 352 transitions. [2021-11-23 01:50:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-23 01:50:32,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:32,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:33,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-23 01:50:33,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 49772 backedges. 2 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 336 states and 353 transitions. [2021-11-23 01:50:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 353 transitions. [2021-11-23 01:50:36,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-23 01:50:36,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:36,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:36,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 1989 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-23 01:50:36,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 50088 backedges. 2 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 337 states and 354 transitions. [2021-11-23 01:50:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 354 transitions. [2021-11-23 01:50:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-23 01:50:39,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:39,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:40,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1995 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-23 01:50:40,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 50405 backedges. 2 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 338 states and 355 transitions. [2021-11-23 01:50:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 355 transitions. [2021-11-23 01:50:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-23 01:50:43,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:43,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:44,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-23 01:50:44,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 50723 backedges. 2 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 339 states and 356 transitions. [2021-11-23 01:50:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 356 transitions. [2021-11-23 01:50:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-23 01:50:47,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:47,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:47,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 2007 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-23 01:50:47,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 51042 backedges. 2 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:51,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 340 states and 357 transitions. [2021-11-23 01:50:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 357 transitions. [2021-11-23 01:50:51,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-23 01:50:51,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:51,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:51,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-23 01:50:51,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:53,509 INFO L134 CoverageAnalysis]: Checked inductivity of 51362 backedges. 2 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:54,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 341 states and 358 transitions. [2021-11-23 01:50:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 358 transitions. [2021-11-23 01:50:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-23 01:50:54,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:54,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:55,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-23 01:50:55,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 51683 backedges. 2 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 342 states and 359 transitions. [2021-11-23 01:50:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 359 transitions. [2021-11-23 01:50:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-23 01:50:58,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:58,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:59,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-23 01:50:59,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 52005 backedges. 2 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 343 states and 360 transitions. [2021-11-23 01:51:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 360 transitions. [2021-11-23 01:51:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 01:51:02,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:02,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:02,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 2031 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-23 01:51:02,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 52328 backedges. 2 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 344 states and 361 transitions. [2021-11-23 01:51:06,021 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 361 transitions. [2021-11-23 01:51:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-23 01:51:06,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:06,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:06,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-23 01:51:06,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 52652 backedges. 2 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 345 states and 362 transitions. [2021-11-23 01:51:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 362 transitions. [2021-11-23 01:51:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-23 01:51:09,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:09,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:10,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-23 01:51:10,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 52977 backedges. 2 proven. 52975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 346 states and 363 transitions. [2021-11-23 01:51:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 363 transitions. [2021-11-23 01:51:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-23 01:51:13,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:13,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:13,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-23 01:51:13,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 53303 backedges. 2 proven. 53301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 347 states and 364 transitions. [2021-11-23 01:51:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 364 transitions. [2021-11-23 01:51:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-23 01:51:17,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:17,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:17,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-23 01:51:17,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 53630 backedges. 2 proven. 53628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 348 states and 365 transitions. [2021-11-23 01:51:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 365 transitions. [2021-11-23 01:51:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-23 01:51:21,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:21,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:21,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-23 01:51:21,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 53958 backedges. 2 proven. 53956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 349 states and 366 transitions. [2021-11-23 01:51:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 366 transitions. [2021-11-23 01:51:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-23 01:51:24,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:24,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:24,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-23 01:51:24,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 54287 backedges. 2 proven. 54285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 350 states and 367 transitions. [2021-11-23 01:51:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 367 transitions. [2021-11-23 01:51:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-23 01:51:28,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:28,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:28,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-23 01:51:28,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 54617 backedges. 2 proven. 54615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 351 states and 368 transitions. [2021-11-23 01:51:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 368 transitions. [2021-11-23 01:51:32,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-23 01:51:32,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:32,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:32,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 2079 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-23 01:51:32,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:34,613 INFO L134 CoverageAnalysis]: Checked inductivity of 54948 backedges. 2 proven. 54946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 352 states and 369 transitions. [2021-11-23 01:51:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 369 transitions. [2021-11-23 01:51:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-23 01:51:36,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:36,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:36,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-23 01:51:36,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 55280 backedges. 2 proven. 55278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 353 states and 370 transitions. [2021-11-23 01:51:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 370 transitions. [2021-11-23 01:51:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-23 01:51:39,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:39,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:40,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-23 01:51:40,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 55613 backedges. 2 proven. 55611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 354 states and 371 transitions. [2021-11-23 01:51:43,755 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 371 transitions. [2021-11-23 01:51:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-23 01:51:43,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:43,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:44,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 2097 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-23 01:51:44,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 55947 backedges. 2 proven. 55945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 355 states and 372 transitions. [2021-11-23 01:51:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 372 transitions. [2021-11-23 01:51:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-23 01:51:47,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:47,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:47,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 2103 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-23 01:51:47,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 56282 backedges. 2 proven. 56280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 356 states and 373 transitions. [2021-11-23 01:51:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 373 transitions. [2021-11-23 01:51:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-23 01:51:51,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:51,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:51,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2109 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-23 01:51:51,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 56618 backedges. 2 proven. 56616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:55,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 357 states and 374 transitions. [2021-11-23 01:51:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 374 transitions. [2021-11-23 01:51:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-23 01:51:55,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:55,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:55,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 2115 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-23 01:51:55,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 56955 backedges. 2 proven. 56953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 358 states and 375 transitions. [2021-11-23 01:51:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 375 transitions. [2021-11-23 01:51:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-23 01:51:58,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:58,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:59,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-23 01:51:59,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 2 proven. 57291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 359 states and 376 transitions. [2021-11-23 01:52:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 376 transitions. [2021-11-23 01:52:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-23 01:52:02,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:02,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:02,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-23 01:52:02,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:05,095 INFO L134 CoverageAnalysis]: Checked inductivity of 57632 backedges. 2 proven. 57630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 360 states and 377 transitions. [2021-11-23 01:52:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 377 transitions. [2021-11-23 01:52:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-23 01:52:06,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:06,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:06,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-23 01:52:06,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 57972 backedges. 2 proven. 57970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:10,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:10,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 361 states and 378 transitions. [2021-11-23 01:52:10,029 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 378 transitions. [2021-11-23 01:52:10,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-23 01:52:10,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:10,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:10,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 2139 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-23 01:52:10,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 58313 backedges. 2 proven. 58311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:13,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 362 states and 379 transitions. [2021-11-23 01:52:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 379 transitions. [2021-11-23 01:52:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-23 01:52:13,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:13,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:14,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 2145 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-23 01:52:14,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 58655 backedges. 2 proven. 58653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 363 states and 380 transitions. [2021-11-23 01:52:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 380 transitions. [2021-11-23 01:52:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-23 01:52:17,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:17,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:18,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-23 01:52:18,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 58998 backedges. 2 proven. 58996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.